Evidence row 3944752

What was observed

{
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      "name": "federal_register"
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    {
      "description": "Search 250M+ scholarly works (journals, preprints, conferences, books) from OpenAlex, with Crossref fallback: title, authors, year, venue, DOI, citation count, open-access PDF link and abstract. Filter by year, open access only, sort by relevance, citations or newest. ~1-2 s. Free: 25 calls/day per IP. Paid: $0.004 per call via x402 at https://2-29-135-242.sslip.io/x402/literature-search.",
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            "description": "Max results (1-50)",
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            "description": "Only works with a free full text (OpenAlex)",
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      "inputSchema": {
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            "type": "string"
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      "name": "osv_vulns"
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            "maximum": 50,
            "minimum": 1,
            "type": "integer"
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      "name": "prediction_markets"
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      "inputSchema": {
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        },
        "required": [
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}

What the leaf hashes

{"body":"ba16a117efb4c0bf3b97f7ea5097d77f45264a08bdc708f6043765fe6f926a42","id":3944752,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1794043113379311,"prev":3136899,"subject":"bbbfbb4a-efeb-494c-af21-ac29de6e1d98","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0x546762d76c7edf72f0cd7451b4474bd3381cdbea4106467b9910ff32e5e156fd
2. 0xa28b16705bc469190d80b44c8bf62a4b67280b5a5257ac46e003e84582d2f771
3. 0x308e0e71acd96010f64eccc480b11a4b9aeaadff3c615e2817d9f62e1b0fdac1
4. 0xbf11f7be27540300c937eaa1bf0feb707f0bbeafeac78838984b16290f0dcce0
5. 0xd9c694ed2ab37bc20684a7b2ee733e4f617df3cafb8e630c95a5c86a277a0e6a
6. 0x27ff45f2c8fa4794a5cb54f485c49630d29707d27c01c9e2cbeab2f37ef84b41
7. 0x8a1038153ff67faf3b7eec954062f1282aa53bbb470693ded444250749c8c4ff
8. 0x125782de8e85b14157954bf6535f14d158cf059e1058f92a7d3ac6377b90d692
9. 0x81f1a6a498c4ab9be74e5ff4d4c831c91894d59fef6873c317a59a43fd0b2028
10. 0xa852af848b531e95725821a086fe788099734d695c8da03f00a03ec9f5b8cb84
11. 0x2776cd4f806215af2aefe273fa3c5da2b1fdb9ab8bbda371f24fa9a5a220f0a8
12. 0x88ef69f9237d505d998baa9f08fd92bb3f558b491e06c5e638186aa9e10494dc
13. 0xc4120aeb12547f09661af6703e81437a23bd38ba065b3075f70bd20e35771d53
14. 0xd65824e287abd80d02260ba918668ef1c4c1d016243891677bfc31ebb1eb16e7
15. 0x1440bd4864ece4f3cb1a2fc48e88ddbd78cefd359ae16ceeb69a13e36b55021a
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa