ISRC DEF057931023
Verified recording
DEF057931023 is “Werther / Act 2: "Frère, voyez le beau bouquet!"” by Jules Massenet,
registered on the CopyrightChains blockchain with CopyrightID
0x9dc44012144e18a3b996edd660de6849671aeb1e9f3392176590495af4eb8db3 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931023.
Recording identifiers
- ISRC
- DEF057931023
- Title
- Werther / Act 2: "Frère, voyez le beau bouquet!"
- Artist
- Jules Massenet
- CopyrightID (CopyrightChains transaction hash)
0x9dc44012144e18a3b996edd660de6849671aeb1e9f3392176590495af4eb8db3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:b252c306c8817f3e1995e07d1438e313bbd05efc1614609469c86505bfec5bcc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931023
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Werther / Act 2: "Frère, voyez le beau bouquet!" · Machine-readable JSON-LD