ISRC DEF057730533
Verified recording
DEF057730533 is “La Fanciulla del West / Act 1: Quello che tacete” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0xcf45bcea7d5d10aa267e33f2b2a702bd8df57d80463adb3d35637e81a9e1d776 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730533.
Recording identifiers
- ISRC
- DEF057730533
- Title
- La Fanciulla del West / Act 1: Quello che tacete
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0xcf45bcea7d5d10aa267e33f2b2a702bd8df57d80463adb3d35637e81a9e1d776
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0476f6abb9b02e2dddfd7179500e1f7b46866c5ed9d90effbd76574a4c348041- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730533
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: La Fanciulla del West / Act 1: Quello che tacete · Machine-readable JSON-LD