ISRC DEF057931034
Verified recording
DEF057931034 is “Werther / Act 3: "Oui, c'est moi!"” by Jules Massenet,
registered on the CopyrightChains blockchain with CopyrightID
0x8a0c51a4143cf9e6559f776cdb3bb3cd9f9e3a57a67f5e12bf97e0e9db0bb254 and independently timestamped
in Bitcoin block 960309 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931034.
Recording identifiers
- ISRC
- DEF057931034
- Title
- Werther / Act 3: "Oui, c'est moi!"
- Artist
- Jules Massenet
- CopyrightID (CopyrightChains transaction hash)
0x8a0c51a4143cf9e6559f776cdb3bb3cd9f9e3a57a67f5e12bf97e0e9db0bb254
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:35:49+00:00
- Bitcoin block
- 960309
- Canonical record hash
sha256:342d4b295c25121eb03cf1ff3fd7988942fb8b677911b08ad48e2c24fe9ae403- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931034
- Bitcoin block existence check
- https://blockstream.info/api/block/960309
Full record
Track page: Werther / Act 3: "Oui, c'est moi!" · Machine-readable JSON-LD