ISRC NLA507812213
Verified recording
NLA507812213 is “Werther / Act 2: "Un autre est son époux!" - "J'aurais sur ma poitrine" - "Si Kätchen reviendra"” by Jules Massenet,
registered on the CopyrightChains blockchain with CopyrightID
0x02a4825ba81159e5f84dd2369f8cb92a043f536a83b7e09c0fdc5842f6786c15 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507812213.
Recording identifiers
- ISRC
- NLA507812213
- Title
- Werther / Act 2: "Un autre est son époux!" - "J'aurais sur ma poitrine" - "Si Kätchen reviendra"
- Artist
- Jules Massenet
- CopyrightID (CopyrightChains transaction hash)
0x02a4825ba81159e5f84dd2369f8cb92a043f536a83b7e09c0fdc5842f6786c15
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1ae0afebb6f23debdc20e16f3d0ce027084fd82e4dd3e1b491051afded0d1b42- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507812213
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Werther / Act 2: "Un autre est son époux!" - "J'aurais sur ma poitrine" - "Si Kätchen reviendra" · Machine-readable JSON-LD