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 0x552fb5e60079242abb441fa3376e264f2b135192aac06daf708308e2828e949f. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/843a8cfb-fc4f-4cdc-98ce-d721b6e48ae9.json and https://artists.proofprofile.net/proofs/artist/843a8cfb-fc4f-4cdc-98ce-d721b6e48ae9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Have Seen The Lord's Goodness/For His Mercies Endureth/We Raise a Sound
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 0xf960603dfea605f2ba694674c728077cd5bdd20a2edae939a9a0753095b857a5. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:07:03Z), 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/UK6822310201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3dcb25176488cb5c27dd7e6207187fcffa3b5cfe3ca6363c9a3c3d337c1842a. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/UK6822310190.
Ope Lo Ye O/Thank You For Fighting My Battle
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc015a886b7a0d522c02280dc5c28b16a4615796667793fdd31fd64bef04610d0. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:39:01Z), 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/UK6822310192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1409299e8a94ef3c1a6d40cb303d8533560a70edaaa559bd29fa9535206c19b3. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:40:18Z), 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/NGB5S2301673.
Thank You For The Cross / Worthy Is Your Name / Yahweh (Worship Sessions)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c1a1f78818ac320d584aa7e1d704a91f65784bfd7ac905e4c0f29bab16e58cf. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/NGB5S2501427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaef0395a5cb8fd3f3004d50d8861d337519f42a6bfffc22ccdb223a144b7b11. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T21:46:21Z), 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/NGB5S2501429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc275162836aaa56f841c19c73461848814573ea5b5600fc230588a0da52ce45a. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/NGB5S2501585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ee8f0eac30771a3483cee1af48b99bf84c61649bf2478c8037256490c9065ca. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/NGB5S2501586.