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 0x27657e18c0fa6919c4249742e94a2d8acee9591bff7e06944dcb626a1b2270fc. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8da360f0-0d42-4b88-874d-278a81e227ee.json and https://artists.proofprofile.net/proofs/artist/8da360f0-0d42-4b88-874d-278a81e227ee.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 0x0f3b0ce5b59c7cda0d4cf7796c94ba4160afede1393ab900a70a6331ce94e9ad. 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/NL8RL2325722.
Encounters - SOHMI Fantasy Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32a6df8b18cf3979fa76c5bdee9635f364f74e53ed1ffebaf1d0fac03fd6a2ab. 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/QMBZ92385618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b18f7fc06f3b7ae252dc8ba9fece754107ffae5d2465ce7c815af3d5f449926. 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/QZFPL2100416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f26e80dc35ebaeda46647bfb1ee0bfb66b679583edd876d362602c104134a62. 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/QMEFH2310022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35e33f3413510bbce6c5934183da15fdd7ad9ae11c03fe98076cdc30df47deaa. 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/QZFPL2100318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb84244be905bc9c624d4496d3d347d704e50347f8fecfe49c3f698fecd210e7e. 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/QZFPL2100294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa05f792b356eada285e4c914b3d28df057f363cdfbf466d82e371a93ebb8ba. 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/QZFPL2100254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bd77e44999654730b94a833a4ba84ad946e6e16770c67b6b3af0c07d2865e2f. 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/DEBE72200403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6eaf3e3e5ead32bd067d1a8ba0acf90726c8b540c3a86a10a745196116b4da. 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/GBCPZ2120628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaccb24018c6c65f8fe496af6ea6e003a73114db3aa090866bf10fd8ac056824. 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/GBCPZ2120629.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc82f333f18296827fbc8fd6e06438fbc3aabc8eb0d25beb7a38a6bc4959fc09f. 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/GBKPL2166121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e17368d183e07c38d9c26f8830fecb7395c4b424886ebed581d150870a29598. 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/GBKPL2166120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72cf48cf593618188e9afb8c8c84e27a9eb20583049176adf885f6c9743861d. 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/DEQ022109379.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab87d37f2522971009ff297f3281deaa84046a0e0c0f8d4c2271ca5c641acad7. 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/DEQ022109380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7664e757d6294c8d3735ef114b6b0826140edff6e26c8c37c0a5846727e7be7e. 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/GBKPL2144394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48fe8e37163686d1a2bd96f77e5cb7fcf896cca639dca40f947020ba2b277789. 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/GBKPL2144391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaf0aa4311870d314e6c3adcdfd70a8f65afa0c1f43fd9c321d3620d5716c8c2. 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/GBJAJ2002354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99f913b9012fd66d74d31e4cefa23e9e0ca296caae17837776cd39f2397f2d27. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USUM72016830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3daca2eac82fb24e980045da556a2a82a46a51cf47fe38b5eb831a96e17cb17. 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/CA5KR2062401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1b62fd4d06a7ad62c46da02211ed47ab768aeab847e03979f5fa06e23d2b0f. 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/CA5KR2005519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2582ea75f411c71dea1f1f32fabc49325a8349580b6c57dba000cfe647b88720. 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/CA5KR2005521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15604a15f8bd0d0fe12ab434804a45e5c5d0400a5e66e0a9f5365b3b48e15cf. 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/US83Z2005776.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b299d04be7ac624687977350074e6bd8e66e086dc2ef9cf5ce0b664c2788894. 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/GBKPL2165247.