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 0x576813396dc9efc6f20216e9deb0b9b6884b5bf04ba5cb093b981920f389c53a. Chain 2 (Bitcoin): anchored in block 953687 (2026-06-14T20:19:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/68d6e466-b519-4fc3-b6a0-caad521bc33b.json and https://artists.proofprofile.net/proofs/artist/68d6e466-b519-4fc3-b6a0-caad521bc33b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kiwi Weka - Te Noho Kotahitanga Marae (RNZ Live Session)
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 0x8e58b671d33233974f68a769171103600147139d875b9b5c2df05e8d90bed552. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/NZRI12102504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fb99314626058bf26309e3244b67ec4168304e506ae3bfb4a2641184cb2f468. Chain 2 (Bitcoin): anchored in block 958590 (2026-07-18T17:28:56Z), 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/NZRI12002891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x374bcab29a57861693c4a7b9b1af639d83855875fcd4643dafbaae1fbbbae4d1. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T18:59:39Z), 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/NZRI12200147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34475ef89dd84072b2ac36395b919d1352138580d5739e3d493e5709743c3957. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/NZRI12200351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27768b2d1476616683918cae8b441d664474ac1c6a6e5f82c40bca3d16a6dc71. 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/NZRI12301629.