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 0xb50cae0ab4510ea48f4dd10afe46b291707edb3d053eda98304f3990415cd03c. 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/72b74f95-4db8-46e6-986b-627ce99122ef.json and https://artists.proofprofile.net/proofs/artist/72b74f95-4db8-46e6-986b-627ce99122ef.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 0xbbf9cec81226ddd1c87c57c9c5a373de134f2ecbec8981711d0dd83603d01b95. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/AUBEC2400911.
Jind Mahi (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x725230c83ea9ae7eb671d9fe7ed12559dfd36555272d67ccb6ef10119fa2d38e. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/FRX282252058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8be9e8bcd573dc8d4fac536b3585d86c6e546b487fe3d20075f83ac6d8cd4f2. 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/FRX282268019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfdb3f32a736e0a77a02b830ee64585b3acd7aac5a6f27a3a1f53e36fc11a825. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FRX282281370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd51191f27ad38a2357102d15aa8715b3f7c54f2417ed0761defe1c6f2ba2f509. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/FRX282281371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x997fd840a096c66a34581c5658a15139fcbfdd6d6ca4e4c30fb4f5c7281c7242. 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/FRX282281372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x003759da0cab55550762a6476d2b47464ed42b5bd2fa68434d2096be0d6ee288. 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/FRX282281373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96a2f88cdee208e6765401b14e052c4c5679aefead7afbb240492eefaa847831. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/FRX282281374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7b0962b40e9f079643e7b7fdd06cddbd2e1a8d11b29a017d8d62dc9c38530d1. 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/ING682400372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb87c83b44c7c679491012558883dde89609bb3dc25322e2a0e59cdda45fb203. 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/USA2P2418628.
Fer Mamlaa Gadbad Hai - Title Track (From "Fer Mamlaa Gadbad Hai") - Single
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67060045cfa6606f7c202f35462cecde3b6f857edbd6258582e89b268e409e3c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DGA0H2379073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14ae9fe55332ed323655eb97c69f1c693f050732f3877899a2d737be095ccfc3. 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/AUBEC2418163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5e23c95ba98f68c27f6de7dcbcc22ab45ecc56ac5c16d9e73ab03a4c641eb9. 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/AUBEC2409153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3a88276ee864cac6ce0d8e61def54130d1980cdb25be38df08ac08f6c4030cd. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/AUBEC2356888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbabcc682bd00212ff4f50d346c240a006d5251b898b5f24984e4a4f578216b3. 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/AUBEC2317986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x089171a166b809111018d03cb350df4ffb584dbaa5cc44b2ce83b70189880ee6. 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/INSD11905430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x923dc7a9da0beccbded315da2f64d7509c9921a95fb6b4e5900040f1c2323aee. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/INSD11914648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa17b14b1863c8684323fd06cea938e2f6933bacf0c4cae4c19d96132c11549f0. 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/FRX762231510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf721fcad719f6f156765e400d642df1724227448c47512e34c01efb9a5264c42. 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/FRX282292742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x725230c83ea9ae7eb671d9fe7ed12559dfd36555272d67ccb6ef10119fa2d38e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/FRX282252058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2d196f9726ef7e4d35426f849099ba6e31dd0e544729ec89a83e75bfd56141c. 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/USA2P2226266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a5dc4a0c523bf935a4937284f290a949ba77bf0197650c0c7e2c4adc093de11. 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/INS182101069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4f75a24a03f80ce36de9ca162b2bb524a08ec6b1f44d8a268eb94beddac5ee. 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/INZ031409070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32bf1805d1f7f50d9ee702f8cac8156771f50be19ce7d4065c45dbebced6aa9a. 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/DGA052035672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10e1bd4bc69a74412933aca29d9bf5124e9387f76fe3bf102cb5cc974850f582. 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/FR96X2097674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86aa36a1f82fde6cfbe761d7cb315728c45ead225b6a8ce20aff6c748835df80. 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/FR2X42007821.