{
"certificate_id": "KDK-f8d309f211c72eeb",
"issued_at": "2026-10-14T17:41:30.563Z",
"chain_hash": "10782fbacd641a9cc79fdafc0cc0458e40db225d910ef8ccf1edb900a4f04624",
"chain_payload": "{\"summary\":\"UNVERIFIABLE: While there is evidence of a hidden portrait beneath the Mona Lisa, the claim that it depicts Leonardo's mother lacks direct support and remains speculative.\",\"overall_verdict\":\"unverifiable\",\"confidence\":60,\"sub_claims\":[{\"claim\":\"The Mona Lisa contains a second portrait painted beneath the visible surface.\",\"verdict\":\"supported\",\"role\":\"load_bearing\",\"basis\":\"confirmed\",\"reasoning\":\"Multiple sources, including scientific analysis by Pascal Cotte, indicate the presence of a hidden portrait beneath the Mona Lisa.\",\"key_evidence\":\"https://news.artnet.com/art-world/leonardo-da-vinci-mona-lisa-portrait-hidden-388235, https://www.livescience.com/53038-hidden-painting-real-mona-lisa.html\",\"refuting_evidence\":\"\",\"displaced_by\":\"\"},{\"claim\":\"The hidden portrait depicts Leonardo's mother.\",\"verdict\":\"unverifiable\",\"role\":\"load_bearing\",\"basis\":\"unsupported\",\"reasoning\":\"No direct evidence links the hidden portrait to Leonardo's mother; this remains speculative.\",\"key_evidence\":\"\",\"refuting_evidence\":\"\",\"displaced_by\":\"\"}],\"omissions\":[{\"omission\":\"The identity of the hidden portrait's subject is still debated and not conclusively proven.\",\"supporting_evidence\":\"Sources mention the hidden portrait but do not confirm it as Leonardo's mother.\",\"source\":\"https://news.artnet.com/art-world/leonardo-da-vinci-mona-lisa-portrait-hidden-388235, https://www.livescience.com/53038-hidden-painting-real-mona-lisa.html\"}],\"citations\":[{\"source\":\"BBC News\",\"url\":\"https://www.bbc.com/news/entertainment-arts-35031997\",\"accessed\":\"2026-10-14T17:40:20.105Z\"},{\"source\":\"Artnet News\",\"url\":\"https://news.artnet.com/art-world/leonardo-da-vinci-mona-lisa-portrait-hidden-388235\",\"accessed\":\"2026-10-14T17:40:20.105Z\"},{\"source\":\"Live Science\",\"url\":\"https://www.livescience.com/53038-hidden-painting-real-mona-lisa.html\",\"accessed\":\"2026-10-14T17:40:20.105Z\"}],\"confidence_ratio\":{\"verdict\":45,\"evidence\":36}}",
"claim": "The Mona Lisa contains a second portrait painted beneath the visible surface that depicts Leonardo's mother.",
"summary": "UNVERIFIABLE: While there is evidence of a hidden portrait beneath the Mona Lisa, the claim that it depicts Leonardo's mother lacks direct support and remains speculative.",
"verdict": "unverifiable",
"confidence": 60,
"sub_claims": [
{
"claim": "The Mona Lisa contains a second portrait painted beneath the visible surface.",
"verdict": "supported",
"role": "load_bearing",
"basis": "confirmed",
"reasoning": "Multiple sources, including scientific analysis by Pascal Cotte, indicate the presence of a hidden portrait beneath the Mona Lisa.",
"key_evidence": "https://news.artnet.com/art-world/leonardo-da-vinci-mona-lisa-portrait-hidden-388235, https://www.livescience.com/53038-hidden-painting-real-mona-lisa.html",
"refuting_evidence": "",
"displaced_by": ""
},
{
"claim": "The hidden portrait depicts Leonardo's mother.",
"verdict": "unverifiable",
"role": "load_bearing",
"basis": "unsupported",
"reasoning": "No direct evidence links the hidden portrait to Leonardo's mother; this remains speculative.",
"key_evidence": "",
"refuting_evidence": "",
"displaced_by": ""
}
],
"omissions": [
{
"omission": "The identity of the hidden portrait's subject is still debated and not conclusively proven.",
"supporting_evidence": "Sources mention the hidden portrait but do not confirm it as Leonardo's mother.",
"source": "https://news.artnet.com/art-world/leonardo-da-vinci-mona-lisa-portrait-hidden-388235, https://www.livescience.com/53038-hidden-painting-real-mona-lisa.html"
}
],
"citations": [
{
"source": "BBC News",
"url": "https://www.bbc.com/news/entertainment-arts-35031997",
"accessed": "2026-10-14T17:40:20.105Z"
},
{
"source": "Artnet News",
"url": "https://news.artnet.com/art-world/leonardo-da-vinci-mona-lisa-portrait-hidden-388235",
"accessed": "2026-10-14T17:40:20.105Z"
},
{
"source": "Live Science",
"url": "https://www.livescience.com/53038-hidden-painting-real-mona-lisa.html",
"accessed": "2026-10-14T17:40:20.105Z"
}
],
"engine": "kodiak-v0.1",
"search_sources": [
"duckduckgo",
"wikipedia",
"wikidata",
"google_scholar",
"brave"
],
"indicia": {
"shard_index": 2,
"glyph": "a4592fdc",
"shard_hash": "a4592fdc806849779755ccc64677631892e0b42fac98ab821c37e05fc16c010a",
"pattern": [
[
1,
0,
1,
0,
0,
1,
0,
0
],
[
0,
1,
0,
1,
1,
0,
0,
1
],
[
0,
0,
1,
0,
1,
1,
1,
1
],
[
1,
1,
0,
1,
1,
1,
0,
0
],
[
1,
0,
0,
0,
0,
0,
0,
0
],
[
0,
1,
1,
0,
1,
0,
0,
0
],
[
0,
1,
0,
0,
1,
0,
0,
1
],
[
0,
1,
1,
1,
0,
1,
1,
1
]
],
"genesis_hash": "d666325d02e016893a6dbd9e194672ff09dd5a396f2da3ecc9074cb20a12e26b",
"pose": "walking_left",
"bear": [
[
0,
0,
1,
1,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
[
0,
1,
3,
1,
1,
4,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
[
0,
1,
1,
3,
4,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
[
0,
0,
1,
1,
1,
1,
1,
1,
1,
0,
0,
0,
0,
0,
0,
0
],
[
0,
0,
0,
1,
4,
1,
3,
1,
1,
1,
0,
0,
0,
0,
0,
0
],
[
0,
0,
0,
1,
1,
4,
1,
4,
1,
1,
1,
0,
0,
0,
0,
0
],
[
0,
0,
0,
1,
4,
1,
1,
1,
3,
1,
0,
0,
0,
0,
0,
0
],
[
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
0,
0,
0,
0,
0,
0
],
[
0,
0,
1,
4,
0,
0,
1,
3,
0,
0,
0,
0,
0,
0,
0,
0
],
[
0,
0,
1,
1,
0,
0,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0
],
[
0,
1,
3,
0,
0,
0,
0,
4,
1,
0,
0,
0,
0,
0,
0,
0
],
[
0,
1,
1,
0,
0,
0,
0,
1,
1,
0,
0,
0,
0,
0,
0,
0
]
],
"image_dark": "data:image/svg+xml;base64,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 266 211" style="user-select:none;-webkit-user-select:none;pointer-events:none;">
<text x="0" y="0" fill="none" font-size="0">​‌‍﻿1​‌‍﻿</text>
<text x="2" y="8.1" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="14.2" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="20.3" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="26.4" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="32.5" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="38.6" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="44.7" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                       52s</text>
<text x="2" y="50.8" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">              XAXr2sX 2h3hr</text>
<text x="2" y="56.9" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">              h29B@5559BM5X</text>
<text x="2" y="63.0" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">              9@@BBGHG@BBAX</text>
<text x="2" y="69.1" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">             B@@9BSGGBSB&amp;2    2AhA5X3Xs</text>
<text x="2" y="75.2" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">             A5B@HMHMHMH5@35h32522MhMMM25X22</text>
<text x="2" y="81.3" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">             A3MM@#HGSS@&amp;@MM5MHh55M33hM55h3hAs</text>
<text x="2" y="87.4" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">              h5hSShHB&amp;@B@MHGSGMhMHGHHMM3H3H55As</text>
<text x="2" y="93.5" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">              233HGM@B@9@5Mh3HhS#M#GHMSGHGHMM2322</text>
<text x="2" y="99.6" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                23M@@B@9HMhhHHS##MG99#SSSHGhGHM5As</text>
<text x="2" y="105.7" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   #@33MHHSGSMS9SH99GSH##GhMhh25h5</text>
<text x="2" y="111.8" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   32hMGMhMHG#SB#99SH9HGSM#ShMh22s</text>
<text x="2" y="117.9" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   A2M33HSS##G99#9#9#HHH#GSGHH332X</text>
<text x="2" y="124.0" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   s223h3hhHSSGH#SHH9GGS#GHHH333XX</text>
<text x="2" y="130.1" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                    X3MMMGhGSGM#M9HHh###MM3hH2HGH</text>
<text x="2" y="136.2" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                     AhH#&amp;9HHMGM##HGHMHG9B9#hG#92;</text>
<text x="2" y="142.3" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                       9&amp;BB9M5H#B@&amp;GGHM99@&amp;#3MsH3i</text>
<text x="2" y="148.4" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                      r2hBSS5hMBB9#M235M@@B#i i3hss</text>
<text x="2" y="154.5" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                      rhH3s   M&amp;9BS3A2s iX3As rAMAi</text>
<text x="2" y="160.6" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                     XAM5Xs    s3HA~    iA2MA; ;23X,</text>
<text x="2" y="166.7" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                    ir2M3i     r5G3:     :AhAr|~AA2X~</text>
<text x="2" y="172.8" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                    sA3MAr     :AG2i     \r2h3r XshXs</text>
<text x="2" y="178.9" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   ;Ah32X      ;r55r|     sX35r;~r35sr</text>
<text x="2" y="185.0" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   ;55Mr_       rhH5i      sAhXi irM3i</text>
<text x="2" y="191.1" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                  iihMAr        r255X      ssM2r: ;XhXi</text>
<text x="2" y="197.2" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                  r3G5Ar        -XM2s;      r5H2A rrAhA~</text>
<text x="2" y="203.3" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">    ,rs;;::;;rs:s2hS#h5:s:rr;rr:,3HB32rirri;3HSSH5:MGBHhsis:;:rss;i:</text>
<text x="2" y="209.4" fill="#55c7ff" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                 rrh52;          i32Ai       iXM2s ii3As</text>
</svg>",
"image_light": "data:image/svg+xml;base64,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 266 211" style="user-select:none;-webkit-user-select:none;pointer-events:none;">
<text x="0" y="0" fill="none" font-size="0">​‌‍﻿1​‌‍﻿</text>
<text x="2" y="8.1" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="14.2" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="20.3" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="26.4" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="32.5" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="38.6" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre"></text>
<text x="2" y="44.7" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                       52s</text>
<text x="2" y="50.8" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">              XAXr2sX 2h3hr</text>
<text x="2" y="56.9" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">              h29B@5559BM5X</text>
<text x="2" y="63.0" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">              9@@BBGHG@BBAX</text>
<text x="2" y="69.1" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">             B@@9BSGGBSB&amp;2    2AhA5X3Xs</text>
<text x="2" y="75.2" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">             A5B@HMHMHMH5@35h32522MhMMM25X22</text>
<text x="2" y="81.3" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">             A3MM@#HGSS@&amp;@MM5MHh55M33hM55h3hAs</text>
<text x="2" y="87.4" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">              h5hSShHB&amp;@B@MHGSGMhMHGHHMM3H3H55As</text>
<text x="2" y="93.5" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">              233HGM@B@9@5Mh3HhS#M#GHMSGHGHMM2322</text>
<text x="2" y="99.6" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                23M@@B@9HMhhHHS##MG99#SSSHGhGHM5As</text>
<text x="2" y="105.7" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   #@33MHHSGSMS9SH99GSH##GhMhh25h5</text>
<text x="2" y="111.8" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   32hMGMhMHG#SB#99SH9HGSM#ShMh22s</text>
<text x="2" y="117.9" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   A2M33HSS##G99#9#9#HHH#GSGHH332X</text>
<text x="2" y="124.0" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   s223h3hhHSSGH#SHH9GGS#GHHH333XX</text>
<text x="2" y="130.1" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                    X3MMMGhGSGM#M9HHh###MM3hH2HGH</text>
<text x="2" y="136.2" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                     AhH#&amp;9HHMGM##HGHMHG9B9#hG#92;</text>
<text x="2" y="142.3" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                       9&amp;BB9M5H#B@&amp;GGHM99@&amp;#3MsH3i</text>
<text x="2" y="148.4" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                      r2hBSS5hMBB9#M235M@@B#i i3hss</text>
<text x="2" y="154.5" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                      rhH3s   M&amp;9BS3A2s iX3As rAMAi</text>
<text x="2" y="160.6" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                     XAM5Xs    s3HA~    iA2MA; ;23X,</text>
<text x="2" y="166.7" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                    ir2M3i     r5G3:     :AhAr|~AA2X~</text>
<text x="2" y="172.8" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                    sA3MAr     :AG2i     \r2h3r XshXs</text>
<text x="2" y="178.9" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   ;Ah32X      ;r55r|     sX35r;~r35sr</text>
<text x="2" y="185.0" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                   ;55Mr_       rhH5i      sAhXi irM3i</text>
<text x="2" y="191.1" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                  iihMAr        r255X      ssM2r: ;XhXi</text>
<text x="2" y="197.2" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                  r3G5Ar        -XM2s;      r5H2A rrAhA~</text>
<text x="2" y="203.3" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">    ,rs;;::;;rs:s2hS#h5:s:rr;rr:,3HB32rirri;3HSSH5:MGBHhsis:;:rss;i:</text>
<text x="2" y="209.4" fill="#7fb6d8" font-size="5.8" style="font-family:'Courier New',Courier,monospace;font-weight:700;white-space:pre">                 rrh52;          i32Ai       iXM2s ii3As</text>
</svg>",
"svg_dark": "",
"svg_light": ""
},
"depth": "thorough",
"classification": {
"category": "general",
"claim_type": "factual",
"confidence": 50,
"domain_authorities": [],
"domain_search_terms": [],
"color": "#8a9099",
"label": "General"
},
"rounds": 2,
"epistemic_landscape": {
"kernels_of_truth": [
{
"fact": "The Mona Lisa contains a second portrait painted beneath the visible surface.",
"status": "partially_verified",
"evidence": "Reflecting light technology analysis by French scientist Pascal Cotte suggests the presence of an underlying portrait.",
"study_depth": "partially-studied",
"under_study_reason": "Limited independent verification of Cotte's findings; further peer-reviewed studies and technological analyses by other experts are needed. Art historians and institutions may hesitate due to the painting's fragile state and its status as a cultural icon."
},
{
"fact": "Leonardo da Vinci sometimes painted over previous works or made significant alterations.",
"status": "verified",
"evidence": "Historical records and analyses of other Leonardo works, such as 'Virgin of the Rocks,' show evidence of underlying layers and revisions.",
"study_depth": "well-studied",
"under_study_reason": ""
}
],
"speculative_leaps": [
{
"claim": "The hidden portrait depicts Leonardo's mother.",
"gap": "No direct evidence links the underlying portrait to Leonardo's mother; this is purely conjectural based on the sitter's appearance and historical speculation."
},
{
"claim": "The hidden portrait is the 'real' Mona Lisa.",
"gap": "While the underlying portrait may differ, there is no definitive evidence proving it is more authentic or representative of the 'real' sitter than the visible surface."
}
],
"counter_narrative": {},
"evidence_gaps": [],
"dogmatism": {},
"incentive_map": [],
"landscape_verdict": ""
},
"investigation_disparity": {
"extraordinariness": {
"score": 70,
"reasoning": "The claim that the Mona Lisa contains a second portrait beneath the surface is extraordinary but not unprecedented, given that artists sometimes painted over previous works. However, the specific assertion that the hidden portrait depicts Leonardo's mother is highly speculative and lacks direct evidence, making it more extraordinary."
},
"investigation_depth": {
"score": 40,
"reasoning": "The existence of a second portrait has been partially studied by Pascal Cotte using reflecting light technology, but his findings have not been widely peer-reviewed or independently verified by other experts. The claim about the portrait depicting Leonardo's mother has not been substantiated with direct evidence."
},
"disparity_gap": 30,
"gap_classification": "none",
"causal_trace": {
"inertia": {
"present": true,
"evidence": "Limited independent verification of Cotte's findings",
"source": "Hidden portrait 'found under Mona Lisa', says French scientist - BBC News",
"strength": "medium"
},
"apathy": {
"present": true,
"evidence": "Art historians and institutions may hesitate due to the painting's fragile state and its status as a cultural icon",
"source": "Hidden portrait 'found under Mona Lisa', says French scientist - BBC News",
"strength": "medium"
},
"suppression": {
"present": false,
"evidence": "",
"source": "",
"strength": "none"
}
},
"seams": [],
"testability": {
"test": "Further non-invasive imaging techniques (e.g., multispectral imaging, X-ray fluorescence) to analyze the underlying layers of the painting",
"cost": "High due to the painting's fragile state and the need for specialized equipment and expertise",
"consequential": "If true, it could reshape our understanding of Leonardo's artistic process and the identity of the Mona Lisa's subject"
},
"absence_check": {
"searched_for": [
"Peer-reviewed studies on the hidden portrait",
"Independent verification of Cotte's findings"
],
"found_in_evidence": false,
"note": "No peer-reviewed studies or independent verifications were found in the evidence."
},
"latent_evidence": [
{
"record": "Detailed imaging data from the Louvre's internal studies of the Mona Lisa",
"holder": "Louvre Museum",
"reason_exists": "The Louvre likely conducts periodic examinations of its most famous artwork for conservation purposes",
"status": "never_requested",
"source": "",
"unsourced": true
}
],
"component_extraordinariness": [
{
"component": "The Mona Lisa contains a second portrait painted beneath the visible surface.",
"role": "kernel",
"structural_extraordinariness": "medium",
"inverse_claim_test": "The negation would be less extraordinary, as it is common for artists to paint over previous works.",
"reasoning": "This claim is supported by some evidence and aligns with known artistic practices."
},
{
"component": "The hidden portrait depicts Leonardo's mother.",
"role": "graft",
"structural_extraordinariness": "high",
"inverse_claim_test": "The negation would be less extraordinary, as there is no direct evidence linking the hidden portrait to Leonardo's mother.",
"reasoning": "This claim is purely speculative and lacks direct evidence."
}
],
"disparity_verdict": "The claim that the Mona Lisa contains a hidden portrait is significant and has been partially investigated, but the specific assertion that it depicts Leonardo's mother remains unverified and highly speculative. The gap between the extraordinariness of the claim and the depth of investigation is significant, indicating that further independent and peer-reviewed studies are needed to substantiate or refute these assertions.",
"unsourced_dropped": 0,
"latent_unsourced": 1,
"scope": "unanchored",
"gap_classification_raw": "significant",
"scope_note": "No verified proposition here is under-investigated: the claim itself is unverifiable. The gap below describes what a test would require; it does not lower confidence.",
"pool_academic_sources": 0
},
"evidence_pool": {
"channels": [
"wikipedia",
"wikidata",
"brave",
"scholar"
],
"counts": {
"wikipedia": 0,
"wikidata": 0,
"brave": 3,
"scholar": 0
},
"total_retrieved": 3,
"off_topic_filtered": 9,
"pubmed_status": "skipped (non-biomedical claim)",
"sources_used": [
{
"source": "Hidden portrait 'found under Mona Lisa', says French scientist - BBC News",
"text": "There has long been debate about the Mona Lisa's identity. But for centuries, it has been widely believed that she is Lisa Gherardini, the wife of a Florentine silk merchant. But Mr Cotte has claimed his discoveries challenge that theory.",
"url": "https://www.bbc.com/news/entertainment-arts-35031997",
"authority": 0.8,
"channel": "brave"
},
{
"source": "Leonardo da Vinci’s ‘Mona Lisa’ Has Another Portrait Hidden Underneath",
"text": "According to French scientist Pascal Cotte, who has analyzed the painting with reflecting light technology for over 10 years, the Mona Lisa hides another portrait underneath. According to the BBC, the most surprising of Cotte’s findings is ...",
"url": "https://news.artnet.com/art-world/leonardo-da-vinci-mona-lisa-portrait-hidden-388235",
"authority": 0.5,
"channel": "brave"
},
{
"source": "Lurking Beneath the 'Mona Lisa' May Be the Real One | Live Science",
"text": "The Mona Lisa may have a hidden painting underneath its surface, and it may depict the real sitter for the painting.",
"url": "https://www.livescience.com/53038-hidden-painting-real-mona-lisa.html",
"authority": 0.5,
"channel": "brave"
}
],
"full_pool": [
{
"source": "Hidden portrait 'found under Mona Lisa', says French scientist - BBC News",
"text": "There has long been debate about the Mona Lisa's identity. But for centuries, it has been widely believed that she is Lisa Gherardini, the wife of a Florentine silk merchant. But Mr Cotte has claimed his discoveries challenge that theory.",
"url": "https://www.bbc.com/news/entertainment-arts-35031997",
"authority": 0.8,
"channel": "brave"
},
{
"source": "Leonardo da Vinci’s ‘Mona Lisa’ Has Another Portrait Hidden Underneath",
"text": "According to French scientist Pascal Cotte, who has analyzed the painting with reflecting light technology for over 10 years, the Mona Lisa hides another portrait underneath. According to the BBC, the most surprising of Cotte’s findings is ...",
"url": "https://news.artnet.com/art-world/leonardo-da-vinci-mona-lisa-portrait-hidden-388235",
"authority": 0.5,
"channel": "brave"
},
{
"source": "Lurking Beneath the 'Mona Lisa' May Be the Real One | Live Science",
"text": "The Mona Lisa may have a hidden painting underneath its surface, and it may depict the real sitter for the painting.",
"url": "https://www.livescience.com/53038-hidden-painting-real-mona-lisa.html",
"authority": 0.5,
"channel": "brave"
}
],
"semantic_filtered": 4,
"independent_origins": 3,
"origin_clusters": []
},
"source_quality": {
"total": 3,
"academic": 0,
"government": 0,
"legal": 0,
"encyclopedia": 0,
"news": 1,
"other": 2,
"primary": 0,
"grade": "weak"
},
"used_source_quality": {
"total": 3,
"academic": 0,
"government": 0,
"legal": 0,
"encyclopedia": 0,
"news": 1,
"other": 2,
"primary": 0,
"grade": "weak"
},
"provenance": {
"verified_count": 3,
"orphaned_count": 1,
"orphaned_citations": [
{
"source": "Britannica",
"url": "https://www.britannica.com/topic/Mona-Lisa-painting",
"basis": "model_asserted_not_retrieved"
}
],
"integrity": "partial",
"fidelity": {
"auditor": "openai/gpt-5.4",
"overstated": false,
"per_source": [],
"source_count": 3,
"note": ""
}
},
"asserted_unverified": [
{
"source": "Britannica",
"url": "https://www.britannica.com/topic/Mona-Lisa-painting",
"basis": "model_asserted_not_retrieved"
}
],
"integrity_caps": [
{
"cap": 65,
"reason": "weak source foundation (no primary/peer-reviewed sources)"
},
{
"cap": 70,
"reason": "1 cited source(s) not in the retrieval pool (asserted, unverified)"
}
],
"integrity_cap": {
"cap": 65,
"reason": "weak source foundation (no primary/peer-reviewed sources)"
},
"polling": {
"base_confidence": 60,
"adjusted_confidence": 60,
"consensus_dampening_pts": 0,
"volatility_dampening_pts": 0,
"volatility_band_pts": 5,
"poll_size": 10,
"consensus": null,
"volatility": {
"heat": 0.38,
"pressure": "low",
"emotional_charge": 0.3,
"news_churn": 0.5,
"band_pts": 5,
"dampening_pts": 0,
"sample": 10
},
"note": null
},
"confidence_ratio": {
"verdict": 45,
"evidence": 36,
"legend": "verdict confidence / how complete the evidence is",
"verdict_inputs": {
"stated": 60,
"verdict_class_adjustment": 0,
"load_bearing_coherence": 0.75,
"corrected": false
},
"evidence_inputs": {
"sources": 3,
"independent_origins": 3,
"classes_present": 2,
"class_counts": {
"primary_record": 0,
"scholarly": 0,
"reportage": 1,
"open_web": 2
},
"primary_found": false,
"quasi_primary_found": false,
"load_bearing": 2,
"load_bearing_without_evidence": 1,
"load_bearing_displaced": 0
},
"evidence_parts": {
"origins": 16,
"classes": 10,
"primary": 0,
"contact": 10
},
"weights": {
"origins": "40 × min(1, (independent origins − 1) / 5)",
"classes": "20 × classes present / 4 (primary record, scholarly, reportage, reference/open web)",
"primary": "20 if an academic/government/legal source was retrieved; 10 if only reference-class; else 0",
"contact": "20 × mean over load-bearing sub-claims (evidence spoke to it 1; displaced 0.5; mixed 0.75; unverifiable for lack of evidence 0)"
},
"rule": "the denominator never feeds the numerator"
},
"buoy_tick": 19513,
"buoy_chain_hash": "d6f83a57981370f57f1d9e0db9321dce84b26b705444c6564b44cc80c62f29c3",
"checks_remaining": 932,
"tier": "pro"
}