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 0x112192f33629d7f2b1f4ab486458fbdd0580a28f8021c16e6a4171ed151e47bf. 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/b576a574-b74d-49af-bbce-5423b079f50a.json and https://artists.proofprofile.net/proofs/artist/b576a574-b74d-49af-bbce-5423b079f50a.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 0xdf9ad61aa50c4bba41238c0f5b9c232296acfe9c0f9e0d1ff27fdf39dd310389. 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/QZHNA2251966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd167c00a5fdcb3e303f4e9b1c0285d4a9d9085be059aa5bf965ef9f408d3cd1c. 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/QZHNA2251967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30624488b8bd9cbdf6aee38550967a95afe4cdaf513ddb0c698995c2577d4963. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZHNA2251971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3530ddacef569dec461afbbc8765c0b3cbca4c258788056197a00a6a3c75e7e. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZHNA2251972.
Isn't It Wonderful (Hmong Version - Vim Yog Av Luaj Quas)
Isn't It Wonderful - Hmong Version - Vim Yog Av Luaj Quas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ab4caa40ea3bb0cafb82e77dd7b0db45cf53c71c8e0ead2368c97d7f5d1eff5. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZK6K2282660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcabf5db475439de5a99e03c90d1f7e76643ae69469c97378f164c660f769f9e0. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/QZHN42345795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0be3d9929a481444c85b4edfd7fa8483aecbd5b95cad3f2713f770bb91db178b. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:30:43Z), 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/QZWFM2358778.