ISRC NLA507812217

Verified recording

NLA507812217 is “Werther / Act 2: "Lorsque l'enfant revient" - "Mais venez donc!"” by Jules Massenet, registered on the CopyrightChains blockchain with CopyrightID 0xe7d25b6f6f52763dbce2536a488e0d8c934559207ebc516f397edb80a9e7aedd and independently timestamped in Bitcoin block 960334 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507812217.

Recording identifiers

ISRC
NLA507812217
Title
Werther / Act 2: "Lorsque l'enfant revient" - "Mais venez donc!"
Artist
Jules Massenet
CopyrightID (CopyrightChains transaction hash)
0xe7d25b6f6f52763dbce2536a488e0d8c934559207ebc516f397edb80a9e7aedd

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15+00:00
Bitcoin block
960334
Canonical record hash
sha256:db02b3e896af72e15ea13c029a84a434219c8674b51aed243771c17c85f1dd06
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507812217
Bitcoin block existence check
https://blockstream.info/api/block/960334

Full record

Track page: Werther / Act 2: "Lorsque l'enfant revient" - "Mais venez donc!" · Machine-readable JSON-LD