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 0xe7d1c6ab7aa4532f3b87499425b793ab99bf8fc6fe6dbe30af1fcfdbf11ea72a. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9cbfa3f5-d6cc-46ef-9263-5e8d5401c270.json and https://artists.proofprofile.net/proofs/artist/9cbfa3f5-d6cc-46ef-9263-5e8d5401c270.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
White Noise : Natural Rain and Rivers for Relaxation, Deep Sleep and Meditation
White Noise: Natural Rain and Rivers for Relaxation, Deep Sleep and Meditation
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 0x830336f61c0c7ac453fdc403a667f0aca9aec7c2ad3ddf8e6107026a30b73858. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T17:51:52Z), 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/NOUJW1502006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83d4616e07a16a70f509f6bd146827865c7a0cbc40b95eb03b8c6090663e472f. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T06:55:05Z), 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/NOUJW1502009.
Slumber's Melody: Music for Restful Sleep
Melodies of Sleep: Soothing Tones for Night