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 0x8d51b681dffb59b1cd745a1395faf82049243b2e89c820257ccb3c514fa0d5a3. 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/6b09419d-7bdd-46d2-b0ba-afd74e3443d9.json and https://artists.proofprofile.net/proofs/artist/6b09419d-7bdd-46d2-b0ba-afd74e3443d9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xe09e105040f076fe42193968b2f7a9ee56281877acb6bb07bcc13508ffc68b6d. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/QZHZ51922735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5b059b3759739664bddacd679ee29b5d21d05b0c2b9860b83c80114ab35b5e. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZHZ41992143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c9192fa6a512d920c0c0c27edd066554e73bd0b2221f92463db546633e7b3f3. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZHZ41992144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b2e4d99932a18b546bbc2256ffbb365770cca5220998c0347e77f365a0e5934. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZHZ41992148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc3be73fff744b7d6833ecf492e822e9d89613cbfa04426982991fa1eed3fccd. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/BRCRD2200021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x857991e2004bb8c5e437284918faa01946e06de3b7e054425ce1d71a3e8d0a98. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/BRCRD2200022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1b29db14920c187f0e2e179c41dfd58a3608efa006e3883297ef4d620d8e8b0. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-20T01:34:20Z), 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/BRCRD2200023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed867f3b5371ce4a8964e16a822d082f8ee9cfd988d9526b2b83a57cfe071be6. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/BRCRD2200026.
Feliz Aniversário Jesus - Musical de Natal - Infantil
A Vigília 2: No Mover do Espírito Santo (Ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7605807dfeb69e5c63492cf983da2d8c5394e3ae9e4bf337a0e551f8a5e5728. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZHZ41995724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa410f6583a1be448775ccfa0e35cbc358acb6312337aa336ca2df6d47dac3102. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T05:55:09Z), 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/QZHZ41995727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6430005eeb7fb80f591ef0f5e3f3e56d6faf11b2f94f5ab3c36f7aee6e62c92. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/QZHZ41995729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f206d5baf8f03e8f8ada468f9ba5fb5ab92adf834db1c96ad51b4b8a1141561. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZHZ41995730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e41e7d763ac0bfa1d7e5425394acb71ea84526b684fe113ac46004b9867b9e0. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/BRMKP0400801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd01d54179b21de40e77b53f36053262ca0c55a026b3274f3265088ceb7e57044. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T05:23:28Z), 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/BRMKP0400803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6c3aab83890fe6d1799c393ba13088c4ba029bfc53f2c5876685a7ab21605bb. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/BRMKP0400807.
A Vigília 5: Santidade ao Senhor (Ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x451012a15fd5f5b75ffd9340a508b7d38903e7ab069a501b2e4ef1fe411889af. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZHZ41996527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bd6cdd6e18802e00e78493c695b85be59591bdd66142f2ab88b01a9588334ac. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-20T01:36:13Z), 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/QZHZ41996533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb801a093a11591b67f7db54abd3b1c17729810aaabccb9459b9cdf3e8c80ecb1. Chain 2 (Bitcoin): anchored in block 958504 (2026-07-18T05:41:32Z), 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/US7VG2004706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x076b63ea199362febf6db990711f6e6b2068dae907392aa01997bd02927ebde3. Chain 2 (Bitcoin): anchored in block 958654 (2026-07-19T03:55:30Z), 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/US7VG2004713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x362cf143763c2d363a5b106b6582f8dd54271bb046d4053ec0922e1671e26f65. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZHZ31974286.
Marcosgoespel Remix: Apure Seus Ouvidos, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91d30e5a749a325488151c0dcab070b6059d9d899391efc8a5d15bab9b924189. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/QZHZ31980972.
O Melhor das Vigílias, Vol. 1: Louvor e Adoração (Ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67419f327e11618ee1a751fc51d933dd8ccce428c527dc8cc5437ac875bfc210. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZMZ92026805.
O Melhor das Vigílias, Vol. 2: Louvor e Adoração ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf1939aca4623e6872bd2b5659f546a6adfbaac35aa6e39e855affa1bcfe6c47. 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/BRMKP0400532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06ce9487e6a2f60dd566addec0bcb0b98c5269715ae0d161c5e370442f60ab97. 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/BRAPD0300119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07ff191d43e301ac083ea5ed21d3ed584e4abb7b97c442f1ce46e7b5d03d268b. 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/BRMKP0500114.
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 0xb8356fa20caf56fbc09e6a6b4ce34744b1d1a04c460ec84e2df5e65f77dd0226. 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/BRMKP0300396.