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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 0x460eeadf2e9360eb8e3940abd57a0608eb680d5646672a9035010b59354864d2. 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/696fa953-0b45-4677-a053-1f8309a6e4bb.json and https://artists.proofprofile.net/proofs/artist/696fa953-0b45-4677-a053-1f8309a6e4bb.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 0x5a1e019d04921a649521deeb28e0dc5f862fc75a6e7906838d265552bbe553f1. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/DEH740401176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc425ecccfbf6b94e1f02e2ce254fa5f1dffc403023b7b8f37048bf481e3e1324. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/DEDL80901489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6950314088e145213da49b5237f0560e259a4efe2767d46ca20ad8a0b40bb4c. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T13:40:16Z), 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/DEDL81001436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7acd09f907136ad6fa7dd1d6425956bd0553b84c9c9138ecaae5f59313044498. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/DEDL81001437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf65669c4fd87d964ba2322ee54c3453f2f612c596f72e532438b6a5053756a77. 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/FRT091200003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf726ce87595323f6b9cb7783f65713e646112f936d7803691c4b4d8969d30b1. 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/FRT091200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d54f67574225bc7c1bf71c5a1e061b115047f345f370c28f09ae3315b4af84b. 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/FRT091200005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf75e31daf505aac12630c8d543dc7f2c4a60e91874312a2dd0ec858c093ef6d2. 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/FRT091200006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b9bf11ee83e4b2f05fbed757d6c5b6c420c268c22ca9389b73b8c5562662954. 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/FRT091200011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46cd1d3d08aec073492c1c1c67a090f576376b9d416a3a95fc8c502f812f3752. 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/FRT091200012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11aeff7c3127d2b75d6d18ab6a69d8a4ed3cbc4919925d0374fbcb10d93bcc4c. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:22:43Z), 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/GB3CE1400029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed8f6379de2f36c8dee14370802406b5dfee4662535ce7f06a05dc902eaa080a. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T09:05:53Z), 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/DESM41500145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65e6e1b57bcf263fcc31cde954a834d48e1a42350890754041004695771e14d8. 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/DESM41500149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabf5526bd31d0fe55042320e028482fe2a6d1aede5b4456934115255c50beb3c. 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/FR10S1759391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d02d327028dda9b73037faef117f866531a71d36397becda0b13c438b9aae35. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:36:36Z), 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/FR10S1759398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73b16e57e1fa195c299b2fecf3d36a1e519f277a5541eafa8714cd30669ab061. 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/FR10S1759400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddbd6ed9c4129d7db18f012d7772abf4edbbcf28c2d1853f55db31b8513c7313. 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/FR9W11807536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05618ffc92d8435a2d30105304e1aa4be2be1288d6cd75b94ea94fad530163e4. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/FR9W11901470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7676a2db52b69f1c4627ae821df63bae209e8d4f8da193a4b310842fadf74c53. Chain 2 (Bitcoin): anchored in block 958708 (2026-07-19T09:08:25Z), 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/FR9W12235085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52ef8c69a69ddbce020aec820d459cfceed529746296e828d4e748f5443f5604. 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/FR9W12235083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dacb174c5a7ee26dd1d317cab364fb00f15c814bdb05ba45173b4043b130fa2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEBE72300516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x249bc010cbf86281e25e82c96351823830ec9cfcf5f83df41ae3ae5bd28edc3f. 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/DEBE72300517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10d040ffc2d2491046733c01fde24dc6d4b0367746ddb4ce3fe926ab39f10453. 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/DEBE72300519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02c01cbebcd2571dfa0205f0bcca1ff95257d1134c90d9b1b674c6bd8af25169. 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/DEBE72300520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2e43436ebac8ebd6d186e00ba0815226b5ae147c36597c7ee592815e5d4b730. 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/FR9W12426078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c4aafce16c3690f11e0da181fe0517fc1b9c628638ff61139386211d36984d4. Chain 2 (Bitcoin): anchored in block 959013 (2026-07-21T13:39:11Z), 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/FR9W12426079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52c5860357fbf805ea4336b783268a9ec4034aad2bfc971c2b5871f87af84f6b. 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/ES84B1510517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6ade66f25a48dbcd19c8fa0eb6c5aa3eb6895b8fbe6bde9c17c85f92e9f92cf. 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/GBEPM1901416.
The Anjunabeats Rising Residency with Alex Sonata & TheRio #3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb68c1b40a5e8b4012052f64728c60d93f67794f3360d7dbaf9d80bec0b0c7462. 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/GBEWA2200401.
Armada Deep House Selection, Vol. 9 (The Finest Deep House Tunes)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd640a68b3d96b555277afb403e12f9922d2338bbd3f16e856b002febcf228faf. 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/NLF711506927.