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 0xb518eb3b872039602ca8690cf650214477ebd081c2619c40083839c8a33896cf. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fd02dbce-7cf7-478b-868b-789c86665886.json and https://artists.proofprofile.net/proofs/artist/fd02dbce-7cf7-478b-868b-789c86665886.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 0x689a0fb4d41574f403c0a9fbfb9b99a770f9a89e37de7a897406ca7dcfe3aee3. 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/CH6552100140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5619b2fc660a50c728450c8baa1130fb58a635e338d1a0b795c3fffa3b65fcdb. 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/CH6551900410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39c8cfd234ac958443f05332127cd90a1e36ce3ea5a6e83450cccc48b02ea220. 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/CH6551900318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x224af68ad131bffad1ff6dcc660118db7107ec6389f294287a10571328f42889. 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/CH6552000500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30580240b1efc71afd3dcfbfd51918c3ee4e47c12f31e95343028294a9ace9e5. 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/DEZC62256988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdccffdcfa342243aadd6e565e968d4f4db0267b777144c384242a7ac4bb447b1. 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/QZTB42259896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8578acabe0cffeb081034ef2fe001e44d1cb922053074bbe4c3313ccc44ff9a5. 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/SE6HN2250086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52decdc3ed3807b422807cec48abae321885054a6689762f9c6a4631d2eeadab. 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/CH6551900315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32d131758c80293a983488ee50c32f0cf16038509c59a071d7085e1da5e5b99c. 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/USL4Q2131760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d0a5889da5e11f1d493997240e87087dbe83135b6baa4a30cfc94a2f5828a45. 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/CH6551800700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4afc97fa322cd1521c3c31ed84247b6e15e72c78b7b2bf8c8c14043c29e86ca0. 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/GBR4M2200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74afc2581ec3ca8a65f76790d4b84f429a5b2b14c77b85d8002bd5fec6bd356b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/AUGBT2402719.
All creatures of our God and King (All Praise)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc2ca51609ff24a6890921cf0a3b4e188a2ac3bcdf9a81e25c54537ad1e53147. 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/AUMEV2461055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca1fe0dae32d781434b668281421e4077c849fb3330fc7904787945063fc3d6e. 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/AUGBT2354292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x703a8ec0d43172d65a07dbf5c3ebb23e1b882691aaa8dee7f4631f169d57763c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZHNC2337542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x814da2220ef99f93523a05583575c0a0fdad441501b32957c50df1d4357fa32a. 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/QZHN72361430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdccffdcfa342243aadd6e565e968d4f4db0267b777144c384242a7ac4bb447b1. 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/QZTB42259896.