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 0x138ab9169c999d639f87f6d277e163f280740f233b097e56b89134193ecd04bc. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7d1a35db-6eda-4a05-a884-6d827a2dc344.json and https://artists.proofprofile.net/proofs/artist/7d1a35db-6eda-4a05-a884-6d827a2dc344.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 0x5fcba2e6593cbfb5abf5c54313e2c942681d2cded8fb501ff0be2fc44a4b96ce. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:30:13Z), 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/TCAFO2157929.
Que Bonito Es Conocer a Cristo (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c71965a8573e06fc4b61b32a468d416e1232230404abc0f382893ce220af4fb. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/TCAFO2157932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeed7d146270ae916c8c1ecc9186f4e46e25dab55976da452e87ebc4ff5517de3. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/TCAFO2157927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1d35020f0dcc7ba763fbccf766aa77ed2594789b8c97674de185276149024d. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/TCAFO2157933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79b57a936dadcc87548af3f9cae7475de1dde0f754d5165ec36bee73d26d3a83. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCAFO2157953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x599d529e8ca7261bb2645ebf98ff6c492ebd4a43c961738b28ce2aeb690a6932. Chain 2 (Bitcoin): anchored in block 958392 (2026-07-17T09:46:31Z), 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/TCAFO2157966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6ceace83e357f5a41e4a83e667d13c3f6cbbc11a4511d665302424c583c8ada. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:42:37Z), 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/TCAHY2436247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64c39f77f19b6b426f550f1eab1eb77ea8e3749d33a95c142e2192abfd406b5c. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/TCAHY2436256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73465600687dafaa354b58a67a7990ebc958920f990e7313a782bceb577ae1e8. Chain 2 (Bitcoin): anchored in block 957541 (2026-07-11T08:23:18Z), 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/TCAHY2436261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f648488a4ac045d361cfef49c77d5d2a12d3b1fb6391ec2825356f151782f7f. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/TCAHY2436268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa2969e24955758b8fda364dabac8689aead49aed7f9a55ffbc7c43eb1854537. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/TCAHY2436275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50239d54e902d25d7cfc5864d5c0a00df5097dc834f31be7ecb0ec3715664393. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T13:56:58Z), 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/TCAHY2436280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1cb7860d85daf540aedf2a3ca655f888d43e4f0c4d3b57a341d5f372f17644f. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/TCAHY2436287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81f3b1d233c57974425e2060ff4fa08e66ba7d361d06f6cd58561e9b1e50e660. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/TCAHY2436301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78695c267901867e9d627d450e08d3100b1a2321424e47b03171a96ed2e6cd28. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:24:46Z), 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/TCAHY2436319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44a21d9759879dcc8da1a7e389a2b74f1c8e5829d7b782782cd386572520aaf2. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/TCAHY2436326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec9509739fe66353bcc366e05e8571ab448e6a346d3119ea6fcf712f11d374d4. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:55:48Z), 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/TCAHY2436328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42aa37f77e9e462dea7f05c32afeb8c4efc83ac612122465608409867cc7b287. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/TCAHY2436331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3541530b4fa8f94b9733430562f0137246d1430e9642b2c4707d08608e948a7a. 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/TCAHY2436337.