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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aacdb3c1a84acb9fed34176bbddb3d751d3ae18e3000158cb2f3c6c12ed09bc. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bf9f4b72-fc41-45e7-a539-be4113e45d81.json and https://artists.proofprofile.net/proofs/artist/bf9f4b72-fc41-45e7-a539-be4113e45d81.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
How Long Has That Evening Train Been Gone
You Gave Me Someting (And Everyting's Alright)
The Bigger You Love The Harder You Fall/Chained
How Long Has That Evening Train Been Gone?
You Gave Me Something (And Everything's Alright)
The Complete Motown Singles Vol. 10: 1970