sequence 2,365

delphi.consensus.snapshot

Appended 6 Oct 2026, 05:32 UTC. Its place in the chain is fixed by the hash of the entry before it; what follows is whether that place is covered by a signature.

← 2364 2366 →

The entry

entry_hash602ccc29bfd2REAL_UTC

sequence_number: 2365
entry_type: delphi.consensus.snapshot
entity_type: forecast_question
entity_id: 4bfc7aa0-f12f-479c-ba06-d8e4cebfe625
logged_at: 2026-10-06T05:32:20.949959+00:00
previous_hash: 83888bd67480c6aea4de944bbf87112d3fe7397f5fff6edf783568c64f47b7cc
payload_hash: 2d849a2803a844ea7dde64a16f908402a070b53bbb4c1123865543d6b5ef8954
entry_hash: 602ccc29bfd2ad0eefa17371d5c7b05b6c5beb310d4fe125392100112fea4588

sourceGET /api/transparency/entries/{n}· one entry, as served to this reader· payload served

Payload

{
  "timebase": {
    "clock": "REAL_UTC"
  },
  "computed_at": "2026-10-06T05:32:20.939187Z",
  "populations": [
    "DELPHI_AGENT",
    "EXTERNAL_AGENT",
    "HUMAN",
    "NETWORK",
    "VERIFIED_EXPERT"
  ],
  "question_id": "4bfc7aa0-f12f-479c-ba06-d8e4cebfe625",
  "series_commitment": "9921da9152b118bd31da630416231e15e6f3d23369543fd6f608701202bfe247",
  "commitment_version": "v2"
}

Shown indented so it can be read. The hash is taken over the canonical form of the same object — keys sorted by code point, no insignificant whitespace, UTF-8 rather than escaped ASCII, timestamps RFC 3339 in UTC to microseconds, decimals as their plain string form. The check below re-encodes the object canonically before hashing it, which is why an indented display cannot make it pass or fail.

Which digest recipe applies

migration 0021 salted this digest · both versions coexist in one append-only log

commitment_versionv2stated in the payload

The entry names its own version, so a reader can pick the right recipe without knowing when the salt was introduced.

sha256(canonical_json({question_id, computed_at, salt, readings})), where readings is the batch's populations sorted by population, each carrying exactly {population, method, method_version, sample_size, distinct_operator_count, value}

salt: 01079e84e2fc3b5c3eaf9bc58d912a0c5751a4bb20ce12999ddc959a0e3a67b8
readings: 5
recompute: sha256(canonical_json({question_id, computed_at, salt, readings})) must equal series_commitment in the payload above. Take question_id and computed_at from that payload verbatim, sort readings by population, and give each reading exactly the six keys served here — the values carry their stored precision and are hashed as the decimal strings they appear as

Verify it here

computed in your browser, not on the server

Recomputing the hashes in this browser… If this sentence stays, this browser has no Web Crypto and nothing here has been verified locally.

The proof, as served

leaf_index: 2365
tree_size: 2491
leaf_hash: c9fff60e0eab8c239cad7a83ae99555e4f672133c76f81f314eeeead9f93c4c7
audit_path (10): 0: e3206da6ff152dd241e2677cdcd5a4912fc2193d0a557f0384dc48dc16d293671: 2176eda51b64504fe6a972f5ee9f0feba44ca61a9a6b301cf543ad1f6f6d977e2: 4204db5cde69200737da040121557e23256d46ac8c1c431c2e487f6bd604303e3: fc19df759478c8865bde788718abaa419a32c6dd11820cb9d319842244ad013e4: e3a5493808b2dc3f3403e8bfbfb7883f5058dc4d7825625826de5ec37e9b742c5: 92498c2b48d5d20744b9266e1c2f22eeee4d089e5a8ad2645ec11941889cc7156: f60923cdfcb3584afeffa8530ee1cafb60e6a0aff868cd02794b4b9e5ed208eb7: b23da60f2e510b29c72a07aff7b47743065a5b6d552266a144958cf77a987e958: 765303d6f29939e50694ecde6538ee53e894bb299166d5a65c9a000adbb546d99: c2a61f9c340fe90eca96b6ee3ce7a915f3c652848ec632eaa3e641ee4f30439d
root_hash: a9a1dac66ff7c8ec3d4b27b434ff70fbde5df3ef3dcd4b4fe4b41bb80f78a7c7

The earliest published head that covers this entry

tree_size: 2373
signed at: 6 Oct 2026, 05:32 UTC
key_id: 042b55492fabadcb8ffb9fe4e9b6a3e8
root_hash: 1e267d0ac014ebb6f08aba71abcf460d744c241ab259158739e916a593073e40
signature: w3U98KukWjpxj3sVqAEAhmq66KyXRLY40x5IbgesFoNTvH+cOn3pKu7jhBvkblFCGPKeSzJxomTsYKLM7k5kAQ==

sourceGET /api/transparency/proof/inclusion· leaf_hash, audit_path, root_hash· audit-path nodes: 10