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 0x61b494ea4ba8bd91d316cdc876cee3a0ea6c425247207e03bf5bdd68538e5c54. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e340f2ad-4858-4d2f-8b84-f01a7e3c6150.json and https://artists.proofprofile.net/proofs/artist/e340f2ad-4858-4d2f-8b84-f01a7e3c6150.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
"Jews in the World of Entertainment" (Live)
Hairspray (Original Broadway Cast Recording)
Fiddler on the Roof 2018 Cast Recording (in Yiddish)
Jackie Hoffman Act 1 Monolog After Traditsye (in Yiddish)
Jackie Hoffman Act 2 Monolog After Anatevka (in Yiddish)
The Addams Family (Original Cast Recording)
Let's Not Talk About Anything Else But Love (Reprise)
Girl Gang - From the Paramount+ Series ‘Grease: Rise of the Pink Ladies'
The Cast of Grease: Rise of the Pink Ladies
Grease: Rise of the Pink Ladies (Music from the Paramount+ Original Series)
Election Song - From the Paramount+ Series ‘Grease: Rise of the Pink Ladies'
Xanadu: Original Broadway Cast Recording