{"copyright_id":"0xdaacb2db6af4c42b997ce947f4a420db97d8ed9790da04a3cf68a1fd78ca029f","name":"Cumulus Frisbee","registered_at":"2026-06-14T17:13:31Z","symbol":"NIM0521042","token_address":"0x22ac97f2aad414cad5dbeb8f5acf56db7ec3bda1","type":"artist","uuid":"79f7bc27-b9ce-48f3-a5e4-8ffb31e3c06b"}
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 0xdaacb2db6af4c42b997ce947f4a420db97d8ed9790da04a3cf68a1fd78ca029f. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/79f7bc27-b9ce-48f3-a5e4-8ffb31e3c06b.json and https://artists.proofprofile.net/proofs/artist/79f7bc27-b9ce-48f3-a5e4-8ffb31e3c06b.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 0x07c1bbcb1d396a1fba93aeed6691791e844b75e03663e02a05607da059936e62. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/FRIDO2110951.
The Surroundings Are Changing (Cumulus Frisbee Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe86e8df9ad7bc9387e2a92565a7a410f13f2c7b944a361f1221327e8d7125b0d. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/FRIDO2312851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f30274390fef52422469dcd9e6aa701abcff23c28369d5887ee61a2d3f98921. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DGA062253085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fd6f76e18dfbc01cb0eec13ee911f0bc49052981d78b7c06cfbdb1a908ae56b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZFYY2150427.