ISRC DEF057730534
Verified recording
DEF057730534 is “La Fanciulla del West / Act 1: Come voi leggermi in cor non so” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x6a06573b8895eb623bf724b52f41d421655c2a9c43ff60d05d4367100469ac06 and independently timestamped
in Bitcoin block 958041 on 2026-07-14.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730534.
Recording identifiers
- ISRC
- DEF057730534
- Title
- La Fanciulla del West / Act 1: Come voi leggermi in cor non so
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x6a06573b8895eb623bf724b52f41d421655c2a9c43ff60d05d4367100469ac06
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-14T18:13:17+00:00
- Bitcoin block
- 958041
- Canonical record hash
sha256:833e9c81817b9c60f483fa374b90cd801c74aa95f0a0e8760940a687b15d98a7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730534
- Bitcoin block existence check
- https://blockstream.info/api/block/958041
Full record
Track page: La Fanciulla del West / Act 1: Come voi leggermi in cor non so · Machine-readable JSON-LD