1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x052eaceb13023571f89b6c39c58be12b808b3286646ae528ec950cc62f453a12. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eabce1e6-d1d2-4f95-9fe7-456f94a920ad.json and https://artists.proofprofile.net/proofs/artist/eabce1e6-d1d2-4f95-9fe7-456f94a920ad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Golden Years Of The Soviet New Jazz, Vol. 4
15-Year Reunion, Live at the Frankfurt Book Fair
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 → block OTSBitcoinBlock must exist at that height 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 0x45da8ebbc1f24343aad49101468ce3ad1939bacbf39208833b9c0c74e0a38a4d. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USA560443928.
Document - New Music From Russia (The '80s)
Dearly Departed (Composition Of Russian Folk Songs)
Portraits (A. Benny Goodman Is Just Round The Corner; B. Duke Ellington In Bedou
Five Netsunke (Fighters; Tea Addict; Actors; Futen, God Of Wind; Poet)
The Roof And The Moscow Improvising Trio