1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6589b0a75d4dc66a6d0741154876e8166c376515f6d00475f78641265a8df765. Chain 2 (Bitcoin): anchored in block 953736 (2026-06-15T03:21:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/97590a76-4f4b-47d1-b445-691ed8547083.json and https://artists.proofprofile.net/proofs/artist/97590a76-4f4b-47d1-b445-691ed8547083.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fingergull - In Festo Susceptionis Sanguinis Domini
Ad primas vesperas, antiphona: Salus aeterna nobis
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c573bdb824f699bdc30a913ffd11eb1fe0f59a15f807b8432707412be94ffee. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505030.
Ad primas vesperas, antiphona: Exultemus in Domino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9539ebc7c0846944357c9919fcdb58aaa37855d847fedae921b314e2cff7656. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505050.
In primo nocturno, antiphona: Clementissime Domine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7904e4b4cd130ba323acf29935bc320f1ec60521d0f895513d0e6aff879e2919. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505130.
In secundo nocturno, responsorium: Completis scriptis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cddbbe4b439c489557f6c8ae778a40ab1bcfe0e31ca284459733d6cb1482e10. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505220.
In tertio nocturno, antiphona: Gratia Dei per Jesum Christum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84eaa94f32747bdc5b5c2c7d5b7bd5b764a3bd4c5510d0be96329fac66794efc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505230.
In tertio nocturno, responsorium: Sanguis tuus Domine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8f83016100a0e6b2a08f03e4ac9c0e9abcd67696b0dc72f38f99a011945f7fc. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505260.
Ad laudes, Antiphona ad Benedictus: Laetentur omnes populi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd30544f76c0b4bb9007b3ebc8c92b37ea415325c51bcb0e9c7a19ffcdf50368e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505350.
Ad primas vesperas, antiphona: Super precipuos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf214e2862feef1e1153620cc91a986186575d56bdc5806c979683ff6f91df776. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505010.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Ad primas vesperas, antiphona: Ecce advenit dominator Deus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c0d9f45dc367e4a8fe827eac6e1d2e1c247c781e84d1cc05a0d0879433c7d66. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505020.
Ad primas vesperas, antiphona: Christus Deus noster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51f9172334de8b25f53ddbd36b8bb7e56aa5557ba200eda5d01f43a00f2c9dd8. Chain 2 (Bitcoin): anchored in block 960339 (2026-07-31T03:13:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505040.
Ad primas vesperas, responsorium: Jesu bone
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5a6381599b0963edf5bc6a857de038b13079954d33a69672a17b48f9546d9c0. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505060.
Ad primas vesperas, hymne: Salve lux mundi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74e316a0c6ffd4f1a2a351c9f5786b02243399d3c7ce75267ee93422090417e6. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505070.
Ad primas vesperas, antiphona ad Magnificat: Ave pater gloriosae
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5319bbecf3e4fdc1c9ae966b459d9ed2311133561ea4fff99ed20dacc4b9f88. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505080.
Ad matutinas, antiphona ad invitatorium: Filie Sion venite
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8717a05348b60ad6596f4d3bff9db615cfaf9ea9c90060af312b1d28bbfc3172. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505090.
Ad matutinas, hymnus: Christe redemptor omnium
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x941a8440184c96614deb08808c284eb8504cfde15224137a06a38e83f8c2329c. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505100.
In primo nocturno, antiphona: Auctor salutis omnium
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37482789999c22534c8d6dbecaecb90b3dd0b71c680d7a2aa7de382f543a6e6d. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505110.
In primo nocturno, antiphona: Beata vere civitas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b16e694dab1b0118acdb712e6e39a2d2a0f90919a42e73f541834ac5376db9e. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505120.
In primo nocturno, responsorium: Dignus es, Domine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdeb1b9bba25326fc0288a6f5afc803a376e6fa801ed9b37de16267534ad31dc. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505140.
In primo nocturno, responsorium: Domine Jesu Christe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc69fabddb819ed05132e031229a749789bf26985f03342e2ba79eeb89efb11cc. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505160.
In secundo nocturno, antiphona: Domine rex omnipotens
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb05bf15838451fa22af8ea595c578add73aaf832e0ea9545218734932386595. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505170.
In secundo nocturno, antiphona: Gregem tuum Domine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9a8daa1cedaf94399b14885e6e7c134c71a1459cb689c9e759d6c589e9092bd. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505180.
In secundo nocturno, antiphona: Da, benignissime Deus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x156d836e207fde6b0aaef25f97dab446640ad482ad7eb4177652c34d7ed4ce87. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505190.
In secundo nocturno, responsorium: Verbum patris aeterni
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x131b52c2df0a6f001552e7917868ce5485ed36f1bd895a9da35ae614d3fee907. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505200.
In secundo nocturno, responsorium: Primogenito patris
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38cb5254e20220135c8ef4df45827583c80276070c049040e98296990a18a8d2. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505210.
In tertio nocturno, antiphona: Domine fons misericordiae
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cc933a9bae773038a7a762b96d0e256819e7830f57793da8a2436ea7810d611. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505240.
In tertio nocturno, antiphona: Ave regum rex et Domine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd17904f0530e5c83b556af619ff0f9ddb2e9cf436af0b8711fbb4cac35ca7b7c. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505250.
In tertio nocturno, responsorium: Gratia dominica
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24a33aec62ce8aca5cd870bc532be18530412e669b7417c4e75f116d83ec0191. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505270.
In tertio nocturno, responsorium: Summa laus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x560e30f1697841a1a6ee6d752b605a789562fc2c1279c9ce818cf1dab1609c46. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505280.
Ad laudes, antiphona: Crux benedicta nitet, Dominus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a73702f0a7e292351122c750670d3d554e6d7121c275d9aa2cad043a2231c3. Chain 2 (Bitcoin): anchored in block 960349 (2026-07-31T05:23:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505290.
Ad laudes, antiphona: Salvator mundi, salva nos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69462c753dfbfb7b8c0a7be98c6070267d488a0de53ce063d4117721a922a39b. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505300.
Ad laudes, antiphona: Orabat Christus in caelum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x175107a9f9de00e81001082cfc9765429b9e45481405df2cd45d1ecca512b0fa. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505310.
Ad laudes, antiphona: Redemisti nos, Deus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d142c67c7a476dc755cb2813c315d2b60dd9b100f08668dcea70768c1d9ff28. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505320.
Ad laudes, antiphona: Ecce de quo Johannes dicit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5adbd8cfa5b1684ff31277f9bbe14a2331a4b637a14dcf695e1135160c569db. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e82b9b2721434f79b5a74db94a44365230cea1b4927875f75e43ef3f68e0603. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505340.
Ad secundas vesperas, antiphona ad Magnificat: Rex seculorum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd08fb231bacf401e969b0a604b466993b4d8f284b3369c5b146ef79a70961062. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1505360.
Antiphona ad Magnificat: Gloriosae Virginis Mariae
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0c0481f5462e05983fd85921b678ed6c2064b95210de17c5680d0da2369293d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOMPP1007010.