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 0x14e93a2839d1768b4caded76cd452fc6027ae4548ceb1879460c775077589c49. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/395efa77-0554-42d6-8288-32f7de2c2cee.json and https://artists.proofprofile.net/proofs/artist/395efa77-0554-42d6-8288-32f7de2c2cee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
All About That Bass (Orchestral Version)
One More Day (Stay with Me) (Orchestral Version)
You've Got Time (Theme from Orange Is the New Black) (Orchestral Version)
Always (Route 94 Remix) (Orchestral Version)
You and Your Friends (Orchestral Version)
What the F@#k You Gon Do? (Orchestral Version)
Kisses for Breakfast (Orchestral Version)
Stayin out All Night (Orchestral Version)
Girl in a Country Song (Orchestral Version)
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 0xde5578f492f0225c0e3a52070eb3a762c1ac43c5e59e54646f6b245346d44879. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/FR10S1518900.