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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 0xa0212e12ffdcf4be5f86f96d7f8860d91ac204c3bc4760488c13791c9d61a480. 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/3aab570b-d0d4-4dc9-9340-3c61949ea511.json and https://artists.proofprofile.net/proofs/artist/3aab570b-d0d4-4dc9-9340-3c61949ea511.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 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 0xb7007ab66f0b2f09066279689db480316f41996abdef95c65b9fb48636cacda7. 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/GBAAM8701021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9c160a3342198944545fc8e672c16133776928875d2441bdf71915db22a053b. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/GBAAM8701022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe879e851ca106b084e9ff462880dc0ef3be9f70517f66851398c034f749c45e. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/GBAAM8701023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae40954cb49caea2069aa3409c4845595d948add515a7e835dfd4994e2529afd. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/GBAAM8701024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4717c53b4a7d27617eadf401cd4bd4673d89f0adedfb43e9cb204f971e507f4f. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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/GBAAM8800009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf9b21a7498edcbb0e48a4046c2555209ed4db8eaef01e021b2af6ca40a517fb. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/GBAAM8800011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d8599949aeaab6dc5369bfedd913cf1059a4d6bd870b68a6a06a7132dde310a. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/GBAAM8800012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bbde0eb7f8ea9bf39b9fc754d71829391fb1cc0c0d6ed757577d8cbb4418994. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/GBAAM8800013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22be728272159a9b6f74f75ee7fb156926ff473689097c9105c7053921f70bb2. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T09:11:53Z), 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/GBAAM9101018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47f159568dbce4a3d2464004dae614a3fd70536ddc9e2c393700f0b08bb08017. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T20:40:29Z), 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/GBAAM9100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed6757e3d0d60177e369a5e73ea9e6cc879bfe7b0ec98ad133722b40f3a01ad9. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/GBAAM9101001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ba26b25198dca3dbec10447e14f811e244b8968ea867e0b969f7a1679d190a. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/GBAAM9101007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48ca264c12262386b5698d465a65e1da12a998761db45630f8b9ae502e271bd. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/GBAAM9101015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c9aaaa85facb32c206695ef5e566d597a9d977843e99efb047484cefefcfd7b. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T09:11:53Z), 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/GBAAM9101002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x223c8cf137e0c4fe3669442b4e24023f14d9dcefab694bafbe129d8fcb411107. 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/GBAAM9101017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44f993b10e71cd7bb0b35167ae76678c77aad98b44e59afce3c8348c23374b08. Chain 2 (Bitcoin): anchored in block 958218 (2026-07-16T00:33:33Z), 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/GBBCX0200003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eeccc071b0ada3b981278efacd3f8aaaba8570828b94094f62d8ecddc40ca27. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/GBBCX1100116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56a42197f71d5e98a2ac79f180a860cb5677a0ee477ecc8aa4f87c0e29569643. Chain 2 (Bitcoin): anchored in block 958401 (2026-07-17T11:10:25Z), 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/GBBCX1100117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf53e5b677081c86f8a8e4410556ba66859482bcd43f588de8259e8af36c4d982. 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/GBUM71301146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d2c7f14ce0c4e0cb019c70267aee8f059a4d05c9f55d4ae2c3b5a4d194d7911. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/GBAAM8700005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c5b3112fc12c38a34c3e0d91bfddd51e5befcdcdcdd89550a912d3e92c8f11f. 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/GBBCX1500005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0041ca3235b3e95e4968c7761bfb580b854de9359f9edb88a830a819e96eddca. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/GBBCX1500009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc039b088a9ec43c9f2e0bfe2c33f436a60c875d50d6176f2707e8aa737f53fdb. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T15:07:00Z), 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/GBBCX1500011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f92964831e8a6f214e30e97e58f1b38d89554e2e1974d9a61d661621dd5c299. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/GBBCX1500016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20c7d5bea2b25790ef0303b4ea383a73e1a828cbde0e4a2dd292bdafb8557b17. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/ARF411500083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a10d78ca84064db26964e676fc2eecb106c1a2627a12ae0c21db01029e26a3f. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/GBBCX0200013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1533dd80e6594a5b853763e16d867a159f9e820345be74715973dbec1d66e5c. Chain 2 (Bitcoin): anchored in block 958380 (2026-07-17T07:07:02Z), 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/QZN882521983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x277bc280256af51dcecc9b5f8f1d47e11ecab802cde81bda4b816981e2b7ee78. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/MYMB11400024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1026c04904fcc337ca828f102a8c140a934e2de49ac0384b2f517536971ec21a. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/GBAAM8700001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1026c04904fcc337ca828f102a8c140a934e2de49ac0384b2f517536971ec21a. 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/GBAAM8700001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x277bc280256af51dcecc9b5f8f1d47e11ecab802cde81bda4b816981e2b7ee78. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/MYMB11400024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1026c04904fcc337ca828f102a8c140a934e2de49ac0384b2f517536971ec21a. 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/GBAAM8700001.
With Love From ... PolyGram 50th Anniversary
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1026c04904fcc337ca828f102a8c140a934e2de49ac0384b2f517536971ec21a. 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/GBAAM8700001.
Far Out Presents Brazilian Bass (Inner City Tropical Soundblast)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1667b38b3bad0a1e8bea37d9870a4c73b923591dbcdf724f454f699023898f93. 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/GBDCR1400041.