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 0xf36218e720236227d913c199f9ec24704b6ba28c626ab0a5833393fc4d5150ea. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/daaa07cb-f469-4381-8928-d8d922d24f37.json and https://artists.proofprofile.net/proofs/artist/daaa07cb-f469-4381-8928-d8d922d24f37.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9df021f4e4eaf178d02196135fd1bc5c9dd5cebeb7d38baf582b90dc3377015. 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/QZTPX2154893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7c8e95cc6a5774c42ed0946bb544ea628b20b4b709005e3d4c1513171018801. 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/QZTPX2154895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ca2bcc89e09ce95fcf8c91c3007db8c77a6d68caf08e21ffdbbed6f6ccac4ed. 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/QMVL61400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50962a5ded86fbd673e39896b319e02b8a50186e9eeae836cb79f21359694179. 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/QMVL61400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc61e8a5a7b2334291734b50c060fb17843fb9b73c8cb5516ca17790c0cbe4dd2. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QMVL61400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc9e5c57f1576429bbbbd3f46188e3f6fcc827930d7562e91d3f0ba536da5e1e. 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/QMVL61400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x996b742984891d571381b37e78e8ff8dddd4b240ad18cdfd9229494a85d06ac7. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QMVL61400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4b68b0696776f939853a37cf5032afd8231595ac6e570f45b3533bf58dd2704. 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/ARPTP2100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf47095eead9dcbe013b70f25fe1a35d042520d2e1994331b8f4ed50e9cc04334. 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/AR79R2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f186546ee98701adede10d43b2c4db1a71f7bfd9bdae4bc8b069d8567446477. 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/TCAIT2449003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5458735f5573f5e774183ee34eee81daffc3bfa095b9716a32c877d711269ff. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TCAIT2449048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb588949cdfbe7a18e13fa98255a08f6f21275e67508f4455fda3f4610e09e3f8. 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/TCAIS2449074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6d0894b94e5d5f709bd2f03818407acf5f68041d2f0a78dc2b82a332c270c61. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TCAIS2449100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf47095eead9dcbe013b70f25fe1a35d042520d2e1994331b8f4ed50e9cc04334. 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/AR79R2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadf7044118c0e5ccc5b305efd0c584e32c397288b6fd2f434efe5c93e9bb3535. 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/USANG2294243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe214b6fa8e1c64d27808668ffc41ca257cb317c53ad3a15ef942322bc890ddbb. 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/USANG2294230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98aef2fd4e409ffeed00e9b66117acbf9b30c7457ea8188a23299656a79987c0. 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/USANG2294231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb553cb1a030d506eadb870a7b21391aab483d76df0f1579e6893b85c440e692. 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/USANG2294233.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4bd01d0c1354fc8dada963b6e98c56c2afecb2f616ae72eb33760e4681c6b72. 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/USANG2294235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6e97a49e6a8a5f31faf0185c6a540c905a208716525887426faf11d05f2931c. 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/USANG2294236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74ae0158d969294afbe3cb892754ccf978d9ae6dbb93d6d4a07a856d21356196. 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/USANG2294237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ca4dd071b0bea6ecf8f1f77c06abea93334e96606fe41460d289efe8ad39db4. 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/USANG2294238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1277e547ad49af79bc7430e4dae3557fdae0b2300696217140cfb5b27e7c5606. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USANG2294239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x735e8d8ee45b828265a34db43a641342b720ca48c060ad7e9e34fe33deaa90d5. 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/USANG2294240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce02c0b9676ee4242b6da300d1a5de7e8594171e19ddffa97fac2153141655f0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USANG2294241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c983718ec71233249a62286b10a16a6d635d9971c9ea45716cd02f3fc3796e5. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USANG2294242.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaa804d4e6f0ed258c02de23171dc5fb613849cb27a1af32513e6bdc685b4252. 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/ARJ3T2100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03b7ceb7fd326246df7cec53071f05a206dfd70595113c3be7c41cdd689d1393. 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/ARJ3T2100018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2242419151862d6618321fc918c3f53050f222544011abecd835df3f9fcce7e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ARJ3T2100019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e4e1013537a8148111660000de3e5fa54cbbe5362172ba7892eb05dd6798a1d. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:49:36Z), 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/ARJ3T2100015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd6dc376eb96b11302e72f925d0851456d131cce5e9ec1aa729b919ace5c51e5. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QMVL61100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x337edbd924becbb294c2077051b7052f15f99060eee0c0c8ea328f31fa87b527. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QMVL61100009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ec3fc19336af34e024d2a7ab31a76fa6237f160dcdd0043ab226698a1951649. 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/TCABC1136690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf409989c45422a0dd393325607f51c7f8c26557b99a9ed8558889daf5124ed6. 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/USHM81632154.
Guarda Que Viene el Tren - Música de Flores, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb272d1ad4a8acac26e1d3eaef5657be43e62f204c25d32eadf1f776be5df390. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QM6MZ1741484.