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 0x24b1b56ab850cfa0a50b8c528f86e0afccc4b55e2c8cff39085df85100ab1577. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e933929f-866b-404c-92ef-6a2bea0cfedf.json and https://artists.proofprofile.net/proofs/artist/e933929f-866b-404c-92ef-6a2bea0cfedf.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 0x42b2f1dd965ba1677772c92e137ae9abbad25bb9e137e8073b3bee62c9789c75. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/USCW62015203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7933dd67ab02d2d6efe3a51ffe8dcf4944c3067ce783827fb6683fdfe4d5614. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T05:08:36Z), 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/USCW62015210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92c31e4223596ff3bacde6dafdb79ba9a62af5066a1ddbc3cee9fb32c730111f. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/USCW62535302.
How Can I Make U Luv Me (feat. Hot Caramel & Manny Lopez)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe558130ecc0640ab78fe9e545b5806ddbceffa645f39458e50fec3a27f36b961. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/USCGH1185926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8749e292c9fb1297742416f8c9af7bb2bb70f900668591343fbf0b4ed6b04a83. 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/USMC18930773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x532b74b60b4477cacf0d4ff6af6e53067f06b8c25a7226d181654ce180eb48b2. Chain 2 (Bitcoin): anchored in block 957012 (2026-07-07T08:27:05Z), 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/US6M61800011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab352b95c4b87f33323b26239f40f80323f25d0eb44d8a22baa9c2bf27ce9a3b. 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/US6M61800013.