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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b46802ece07d90c97f8a78898cf3101c3afee117e53716a737ba031f5daad89. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f9156de9-6bc0-4d18-80af-a5ae34d041b1.json and https://artists.proofprofile.net/proofs/artist/f9156de9-6bc0-4d18-80af-a5ae34d041b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pe. Zezinho, SCJ Apresenta: Cantores de Deus (Em Verso e em Canção) [Playback]
Pe. Zezinho scj Apresenta: Em Verso e em Canção
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ece48000c581d439bcb80b2f4c88bad7b3c38f97655dd40fe2b09b75b42daf. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/BRCMP0300449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6a05d59d806ec6682e653dfc7a31d9e5dfc4c32bd9f40521b9e4d38562c643d. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/BRCMP0300454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a6d2fd5953c28a3bd8b554829472e52732b756470840fec45591e7b565ce789. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T16:15:11Z), 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/BRCMP0300455.
En Verso y en Canción (Los Cantores de Dios)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9da9876a69d5856a0b930f6c32f33551d609ed3f06ccd63a315c7eb682ad6c7d. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/BRCMP0000141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76fd3c1acb26b7f07dadde51cb4eaba806dd3104c527393d7d1537afc1990cb2. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/BRCMP0000142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03e20908000885212ed4d496a3b09b793801626b215fc4ff15b5fc8e1ecb5b5b. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/BRCMP0000143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67b5f90cb21f6973eca21a6e00d5916c50079b7bdb49d9ec59185a3d91add616. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/BRCMP0000147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30c7dfe6333ec6a79cf778bf08fc02350915a79e6032c9675f29f87c0382a057. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/BRCMP0000150.
Pot-Pourri de Louvor 2 - Vem, Vem, Vem Espírito Santo, o Senhor É Rei, Eu Preciso de Você
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e40f8e2b707bc8cc47f78af176d51f3e4c10ce92ec7aa13a01f4b8a532902c7. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/BRCMP0700286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e418e074fe0a2fa630dddad23f30ba1f3527d6c427a2663de3f6966dcbcee1e. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/BRCMP1200029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a4aecc0313347c495d56006b4836bb31df6904e5d847e44b7fccf872ebd91f2. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/BRCMP1200030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e6a2c3c5996d6476547d7b94b40a869d632f0574411fe309b7a47c83756d61d. 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/BRCMP1200031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc258c0243c10ea72a2c0773a3a486a73ca594ed6ad65216a69e9f7affdd1de19. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/BRCMP1200033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13465ce306d0b390042fba4a6b37e37b149258c4f893e6c4769a1b453519a4b0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/BRCMP1200034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0857481b6807e8e05a7ecd652476e9694a0727a98a6f3f1a41f8cc5056a74ec. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/BRCMP1200035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x773638425895de6043cd6067b2fa8179a6fd159ba631a3f19a0790378d9654df. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/BRCMP1200036.
Medley: Primeira Cristã / Rouxinol / Cantores de Deus - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7226721733c48323f4a18992a382a4d675ac827a5a2fa1ea3842cc3109d764b7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/BRCMP1200037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x754ef92a061d1f671253030326f086fe4a562c03a9c402bc632b1d990f5ac069. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/BRCMP1200038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ae60c90e1de1991ad97f3d9db1e245755c952a5911285dcdb9c132b73b96ebd. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/BRCMP1200039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad31a568422e81634ac333cacb34a1bf05b687c03a66ecd124273f98b69e30ef. 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/BRCMP1200040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3b08b8f3779230a3b00dbb27a8ff310af7d6636242d88ab42841bfc51b53604. 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/BRCMP1200041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x857c6e63576f29a55ee3da13519afdd2d4d354bd283596f57a08f39b743ad00d. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/BRCMP1200042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19bf4515e880a1fa5f07a95eae25ea60de96e4a3261405309818abcb3ab7c0c5. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/BRCMP0400594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54b95ae2dfa0a7aae719b4aee88389e12e165b25f129f7609bfd0343ec16c5fb. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/BRCMP1400745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb900ef8c858e21e7b4856c8983920a4001c614caa528e8b9ac9cc5d34be2f5. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/BRCMP1400749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b9200760128e4e14bef4cfcc0ca845ddc39f1e463f587a6cb0e2c45faae0192. Chain 2 (Bitcoin): anchored in block 958535 (2026-07-18T09:42:49Z), 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/BRCMP1901782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbec064cce2583e2843a6ff43f0569e2c5ad9e4f56683bcca8867d7976b386ad. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/BRCMP1901785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2b150d3949c08e8bcf6f44db9193bd3977a5b5532ce96f2512bb17fa34ce3c6. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/BRCMP1901786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ee443906aa71c5e66bc5da176b23218a638424f3ec0b0e5fca49cdc560cdd62. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/BRCMP2500033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4798430bb853c16d73dc79d6a35aee59d4ee1682dd0feaf9821667d68faad483. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/BRSME1200423.