ISRC DEF057730509
Verified recording
DEF057730509 is “La Fanciulla del West / Act 2: Che c'è di nuovo, Jack?” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x7a538e24d359bb2385d6b03cb77b4322af15b3a572ba84e5da850f64732333f1 and independently timestamped
in Bitcoin block 960259 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730509.
Recording identifiers
- ISRC
- DEF057730509
- Title
- La Fanciulla del West / Act 2: Che c'è di nuovo, Jack?
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x7a538e24d359bb2385d6b03cb77b4322af15b3a572ba84e5da850f64732333f1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:51:24+00:00
- Bitcoin block
- 960259
- Canonical record hash
sha256:a657265e37769edc56b574418c43e7e214986548698688325a7bb48b3e233804- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730509
- Bitcoin block existence check
- https://blockstream.info/api/block/960259
Full record
Track page: La Fanciulla del West / Act 2: Che c'è di nuovo, Jack? · Machine-readable JSON-LD