ISRC USBC10500368
Verified recording
USBC10500368 is “The Ballad of Sweeney Todd: "His Hands Were Quick, His Fingers Were Strong"” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xfde84011209e5739c1cddc1f101224509edc00c376cc816b7aec5246cab53a1d and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10500368.
Recording identifiers
- ISRC
- USBC10500368
- Title
- The Ballad of Sweeney Todd: "His Hands Were Quick, His Fingers Were Strong"
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xfde84011209e5739c1cddc1f101224509edc00c376cc816b7aec5246cab53a1d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:8d814aabdf9f4e21bbac1abc50e9457906dd519ae6f5be3ce28bef634efbe946- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10500368
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: The Ballad of Sweeney Todd: "His Hands Were Quick, His Fingers Were Strong" · Machine-readable JSON-LD