ISRC DEF057931032
Verified recording
DEF057931032 is “Werther / Act 3: Va! Laisse couler mes larmes” by Jules Massenet,
registered on the CopyrightChains blockchain with CopyrightID
0x92b42e2d38eda5173aa962aaa7c0a68a170c7095e5066a66d5a95628caab5c66 and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931032.
Recording identifiers
- ISRC
- DEF057931032
- Title
- Werther / Act 3: Va! Laisse couler mes larmes
- Artist
- Jules Massenet
- CopyrightID (CopyrightChains transaction hash)
0x92b42e2d38eda5173aa962aaa7c0a68a170c7095e5066a66d5a95628caab5c66
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:a03500a9ba62a3595c0bd28648de3e2c381c57e3a83c13fd665251ac4fbbda02- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931032
- Bitcoin block existence check
- https://blockstream.info/api/block/960150
Full record
Track page: Werther / Act 3: Va! Laisse couler mes larmes · Machine-readable JSON-LD