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 0x9b8b0c8b1bcfd347662afe7d3c60481472373987017667c43010a23b452567f5. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/48ec5b13-2875-4d51-a38c-7d6befb1860f.json and https://artists.proofprofile.net/proofs/artist/48ec5b13-2875-4d51-a38c-7d6befb1860f.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 0x63fb1a259e963b9c01eb61a86b88a033b348588dce7fd143a0e60cf6657bcff5. 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/DEBW40500111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53fc316fb6097470229c816e52448c14d0a6253fe07b794cec0c7ffa012cb425. 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/NLS241200185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5a4f2e5b8e84976d9e977ae7520123acefb908abd2bfc239c748404ba82b5a9. 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/NLC050500227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3fd8712fdf89fc0936a7db87889e8200b4da7bbad81863807261372c3a09d1c. 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/DEL029360001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0922e7ef947ec7ae49b4d123a851b672732e81f61d7734b3d2bc9244d74454e. 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/DEN061901000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dc086e12505e2099439f855c057b37c704425d45cf6c4ece5cfa32a0dddbde6. 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/DEAF71108084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x887ec93b76aea9015ca6f089cb60336f02eee396e7e126ef86792d11c6a16725. 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/DEG840902622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4677e20dafb93ab2a9d804fe1adda97da11fc9d2c7350149c2656e0208507b25. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/DEN061900996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60b4b42106a6654013be3e11d7c93cfbceac61aa017a4faf2bfdb4da219ab1ea. 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/DEZ650510180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a7ee8093ce2beab88638e00eeecdd2015677fcd33c30b231cba21bc397e98a4. 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/DEE829802410.
Gary D. Pres. D.Trance, Vol. 4-6 (Platinuum Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62ae7f882cde2c29a1165492b9c14de5cd81dbab038f672e89906d4d21358019. 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/DEFA70903703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d8216f6c3b52edd4a9f19f56f69bdf4dc35f21682e7e05c04ec165a355a2d31. 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/DEFA70903708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fcae37886c7f112f827d8696655efc062ea9db9dc4dbab5f19a6afa62077b45. 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/DEFA70903709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24ed9b7fd86343058ffa107d3aec7a30b9a7f3641898c8822d44f51b93d4c788. 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/DEFA70903713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x665ebd63c7a967df56927c618269b7b056406c0d558f53d74921024e8a086cc8. 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/DEFA70903715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1842babccaa07b050c3157ae1233b1e28722da038fd11eedee9522fd1ae2a054. 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/DEFA70903717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeefc5b4109b2579a925781c4321a6d9bed7ae0d639059295683d6c0191c40c1. 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/DEFA70903718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53050bb10a8cf70cfd16b7454bd1d12500645695eb21903e0b438782ac2c8218. 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/DEFA70903719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dbbee11ff6c56e36af7ad3db26c16779c11cd38717c10b436288440c81bfabe. 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/DEFA70903720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x705204fe5ecdba2733208de1cb62736ac51ea4288276787c5a736f53ac931449. 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/DEFA70903723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03cbe71b57e9a4de257d4ac1ce76669454692413d26f84b4632f927c43005b7. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/DEFA70903725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x869d90eeb031b8b2f56c24cad2f2a4837b39a04e70e3c467b88d6305aa3e40ed. 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/DEFA70903731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0a65b0ccea74707e693192d26b99ca8ab0456538f5871342b6d4e78524f748. 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/DEFA70903736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x155ad0466a2c8818fc15b2de6a1d3581d6e248b63217436eb0d8440d52133121. 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/DEFA70903739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ecac7616dd4fde347366f95cc522d5ae74042e4035afa57cf9bdf13d4d71937. 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/DEFA70903740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42ea159124dee3fe07d545ba76f8db0f60c93f5c5586879304a02d71e559bc12. 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/DEFA70903741.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4ab5fcae717c54496d1c314945f924515e6171466897f49ec5d43bddebca6d1. 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/DEFA70903743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0fa30a0cf43f313ef5625ec8701c242f0ce336ff423faf515c4aec0e5d6beae. 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/DEFA70903745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad1b8fab0fe00822a1177695f350771b60ee85283cfea1a6cb8d0a815e070994. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/DEFA70903753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0076770cb1537812bcd79006aba845d1d25a81be8a1e0b65e9d0bfc72d9d31e. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/DEZ650510165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x512cab60c6217f6152c8143afd890d8e1b37f5ff6ce9f8254c9afb5efead3221. 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/DEZ650510166.