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 0xb13914069b005800c5e336c034edc4c9697ea3d9938414ce145cecf051d0f7ab. Chain 2 (Bitcoin): anchored in block 953727 (2026-06-15T02:33:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/90b690e1-3924-4b6e-b7b9-9ae975170c4e.json and https://artists.proofprofile.net/proofs/artist/90b690e1-3924-4b6e-b7b9-9ae975170c4e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Santuario De Meditación Oceánica: Sonido Relajante Y Serenidad
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Melodías Acuáticas: Ritmos Fluviales Para Perros De Agua
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Patas Rítmicas: Canciones A Lo Largo Del Arroyo
Ecos Del Trueno De La Naturaleza: Ambiente Poderoso De Tormenta
Armonías De Lluvia: Sinfonía De La Naturaleza
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Abrazo De Canción De Cuna: Música Relajante Para Dormir Bebés
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Sonidos Relajantes Para La Noche Del Bebé
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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 0xd02bd8d86c4aa80d6f989deb510aad8d2eccfed2b3bdb97c44d877b5aa045962. 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/QZZ8B2435792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9edd7641d4cdec852071e70635691062a25c7cee15e3f48da45dac4646bb15. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZZ8B2435814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a9ddf6333ff69ab7a1bfd009ebabc474a8547aac3fe272bcc3fe3d295d6409f. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/QZZ8B2435853.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82ee6fd68d80bcb01d8f3fc658d8f09afa7990b195d8f743f93085443211c4dd. 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/QZZ8B2435860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x563b5a0f34de9ea1fa0446fdfc859dd43ad694b8572fc5f46adfbda8e586e150. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/QZZ8B2435887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7376ea6f7e178ac40eb021567fb0a5142fd4a4ea66ebccb97032da9c8590efb. 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/QZZ8B2435893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab737fe108f8b5f615eae6f9ac35d18151f445caacbcdc5991e6c38e473c8883. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/QZZ8B2435800.
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 0x99b36e67f34a42bc510c2516032b7ca24e9821ddb72f39975c0d2e2d5457c145. 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/QZZ8B2435808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79e158dd93dc00847afff201421034e7394864efc3ff4b6bd7994b16672565c6. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/QZZ8B2435824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe34edb6390156ecd1a807644c950e33cb0c281baf04b71c2baa81df5415265f9. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/QZZ8B2435832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a3f6b6f28c176532868eb107669c7ccb4d15dc4b13da2acb930384cd25eee25. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/QZZ8B2435840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dd8a818bb60b5aed6fd838aec95fd056ede684baed57639f7a11c2a912c20f1. Chain 2 (Bitcoin): anchored in block 960349 (2026-07-31T05:23:41Z), 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/QZZ8B2435846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5db0ab66032a63aed7cee5c40fb513a6af4a3d07d12dd9d6a4a5f96e2faf3303. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), 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/QZZ8B2435872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04b7fc84caa9083f6b38894408d6af35cd55af6cd94d58a7e99c4c354102fd17. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QZZ8B2435879.
Música Para Perros: Melodías Relajantes Para Caninos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a54cc3d8617b3e00bf961498d2ee0f78f4d9b2deea23cb0365d60f4f2ba74d4. 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/QZZEC2411180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10f3ea4dbfb3829bf49797e4818c495b6e15d8f18da2aca016209623dbaf078e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZZEC2411241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfc8c901754d2561585807e627d29ad6ca0529ae85554ae316b7e42eca774253. 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/QZZEC2411249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb8efc4f4188e958b5618b0989b0dc6b7395f998dba82804df2baa22599eeb8c. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/QZZEC2411256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f1dc11d72574fda78126595e44998ce08cff080d6dceb5d5a973fb4e4be5e1e. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/QZZEC2411172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ef058be742fb3f535d22aaf1ff9f4fa32340735a0de9addb015f0a6f2a9782. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/QZZEC2411189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91fdb38b0b3f708cc4e588bf699b1ad62a4d23807e7aebebea48162ff0846224. 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/QZZEC2411195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49ddc1443acb62cb3e0c8a8daf426b15402e42607aa497c736d5f3ad9be6a594. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QZZEC2411203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14f09ba2ab78c205cf377c0d40290a24f81d26a93846ca4eb3446261010ab986. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/QZZEC2411209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ef4c437745371580f31c56d3dcaa3fde9b718bb456d835818002cdd18e5c9b3. 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/QZZEC2411217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48331ce32d5b5f2491ff429a4dc3efdcd82a98a508fa9f63970544269c299e90. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/QZZEC2411225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4af7e92d3d94f99ca8b8956d80b4a4b6be681ff6ed6e50cb990c1c259065351c. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/QZZEC2411233.
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