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 0x982776eb4e1bcabdc915e551b11e12a5ba96bc57eaafd19750faf01d18ce8248. Chain 2 (Bitcoin): anchored in block 954115 (2026-06-17T15:44:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/79b43268-5792-402b-b9dd-f81a63443867.json and https://artists.proofprofile.net/proofs/artist/79b43268-5792-402b-b9dd-f81a63443867.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Who Do You Love - Theus Mago and Moisees Remix
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 0xa818e327e5658ee13bf0a6887c3a63acae9c43506f32093d89d8e2f31a22c8e4. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/DEY471819630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75738082c1150cc8a76379a84f27f09a77086d692fb7e6b53bb67d1b59670b72. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/SEYOK2213644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb39e4b428165ff4def896bbb31ccbdf5404dcf2e38d790bbb2fb89a84b822188. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T08:11:18Z), 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/GBKQU2528259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f76bdc9aaba5241060090bcd708bc4921fee6adcf60c146933d2d4ecee520f1. Chain 2 (Bitcoin): anchored in block 958864 (2026-07-20T13:08:12Z), 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/GBKQU2528261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d8f4e0afc6c8506ee204d086ca07b7cf48441a5c06ceeb6b7280ddd4f83cda1. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/GBKQU2528262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x363a5222de6905c39c18df3e80d34a628c2ea9d7eabe145ec6c3590f4536f632. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/US83Z2042845.