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 0xcdd7259034bfc0f8197a0b1075262d7267fc031a2510ad316025f7e4d4bbc940. 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/df7b9f1c-86a9-4ce4-bc40-de1aa60962a3.json and https://artists.proofprofile.net/proofs/artist/df7b9f1c-86a9-4ce4-bc40-de1aa60962a3.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 0xf96658d2ae52745aeb952b20d96c3a8cea889c1de025aebd6343c3cff133e8af. 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/GBENT1703518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8aee6194e9cc7cd4dccd7f97f239828b05923458465536a10da7e18f497a652. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/NLX4M2000280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92802f1767936db1f6d58d51f9595f0a7ea9daa4b2e1a93c654cb9792d554b3d. 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/NLX4M2100354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2de3b2e521ffefc8d54e36b08e6706993aaa90956f994c57481d696aa3f6c1eb. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/NLX4M2100378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cc1d70d9b6a4183d484f47c005a1b31ef7faa69f56e2dadaa01529de4aedf60. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/NLX4M2200404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaed4becc7a71e5ebf9bcd8580dca2cf8e58a4c3409c167c7c19f891fbb84c42. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/DEH742332230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff88b2d1717e60dde30b5184a1fe8e574bb89cc54f8bfe25721c5559fd93a21d. 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/DEH742334074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01796728dfe4cbbecc06dae00be04ad3c7adf0a49f7e68513e6ad081632e7b71. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/DEH742334536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28cd20158e673fff9de92abb348c9b6cd763697c1f9e110df26c280fd94fd280. 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/DEH742405788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf61231c78394056159250fba47360343abc705de7633726afdb15f17c769ce1d. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/DEH742406467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fd62e6e0818c9497f2a98181db46c0be38a992898701e56bf3cac8dd3f9f383. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/DEH742518898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe94fda8aca51e01db22055f7b3597561d5cc3ee2ed37de0b5e9cb646ef80c1a6. 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/DEH742518353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca5114e26f4c50157b269e6263b298f833af068418b157f1e694c0b588368cbc. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/QMUDV2000451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7498b02da4f0df30e9301797adad6ace16cc28512847e5293dd186c67e33934. 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/NLX4M2400486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29121ed4ea90ef4db49b0bebab1c2a7ca7d818342e3aad884cca5433f21baa56. 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/DEH742401072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeebc00747755a68e58ea1cb892ca7deb37fc2dcdc3d677ec09780e4c71ce2c97. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/DEH742332231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab82aa6280364827a5e4edac661933d03d2fadee8953d1cb8ac8b37ea2cf243. 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/GBENT1703529.
Buddha Bar Beach - Endless Summer (by FG)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1419305af5922f3fac795a8b902f9bb1779ee581050e563f07fc6d0a537b764e. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/FR6F31821510.