ISRC FR3Z52400991
Verified recording
FR3Z52400991 is “Sweeney Todd, The Demon Barber of Fleet Street, Act I: Green Finch and Linnet Bird (Version for Voice and Piano)” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0x43307507a320e851688cbe9870bab2e55645fdacf06e5531916d043f8095aef7 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR3Z52400991.
Recording identifiers
- ISRC
- FR3Z52400991
- Title
- Sweeney Todd, The Demon Barber of Fleet Street, Act I: Green Finch and Linnet Bird (Version for Voice and Piano)
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0x43307507a320e851688cbe9870bab2e55645fdacf06e5531916d043f8095aef7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:5852022d87a5b79ed6eb87ff1de892142fe37bea80ae5d3693d8f9a551cde007- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR3Z52400991
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Sweeney Todd, The Demon Barber of Fleet Street, Act I: Green Finch and Linnet Bird (Version for Voice and Piano) · Machine-readable JSON-LD