ISRC USBC10500357
Verified recording
USBC10500357 is “Prelude: The Ballad of Sweeney Todd: "Attend the Tale of Sweeney Todd"” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xab020b1cb44f31274d1384a28419ea3680a91cb19835e9c0dc72c278e56e3c9f and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10500357.
Recording identifiers
- ISRC
- USBC10500357
- Title
- Prelude: The Ballad of Sweeney Todd: "Attend the Tale of Sweeney Todd"
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xab020b1cb44f31274d1384a28419ea3680a91cb19835e9c0dc72c278e56e3c9f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:0c7d6441cc24424f66c614e4c0b9c21c4698247047e3a232e3e1c5e88d606bdd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10500357
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Prelude: The Ballad of Sweeney Todd: "Attend the Tale of Sweeney Todd" · Machine-readable JSON-LD