ISRC DEF057931035
Verified recording
DEF057931035 is “Werther / Act 3: "N'achevez pas! Hélas!"” by Jules Massenet,
registered on the CopyrightChains blockchain with CopyrightID
0x82ff1ca1e7cae9d7a37dfec4cf3d06ef9d9e927e14d3739f4744d0d09d4504e7 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931035.
Recording identifiers
- ISRC
- DEF057931035
- Title
- Werther / Act 3: "N'achevez pas! Hélas!"
- Artist
- Jules Massenet
- CopyrightID (CopyrightChains transaction hash)
0x82ff1ca1e7cae9d7a37dfec4cf3d06ef9d9e927e14d3739f4744d0d09d4504e7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:612e6bd56824127e7cee86ed67b17ed3f0af4c6866cb97ef2a33db1a152e8047- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931035
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Werther / Act 3: "N'achevez pas! Hélas!" · Machine-readable JSON-LD