ISRC DEF057931015
Verified recording
DEF057931015 is “Werther / Act 1: "Si vous l'aviez connue"” by Jules Massenet,
registered on the CopyrightChains blockchain with CopyrightID
0xf7ee54bf7cc6ae5058e39dd4c2e4793b80437f7feb0d9d0f1627049fba18fd4b and independently timestamped
in Bitcoin block 960259 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931015.
Recording identifiers
- ISRC
- DEF057931015
- Title
- Werther / Act 1: "Si vous l'aviez connue"
- Artist
- Jules Massenet
- CopyrightID (CopyrightChains transaction hash)
0xf7ee54bf7cc6ae5058e39dd4c2e4793b80437f7feb0d9d0f1627049fba18fd4b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:51:24+00:00
- Bitcoin block
- 960259
- Canonical record hash
sha256:9a076b6b437102f884bbab6e2674c12565c095e09cd59c7f42193d55524c7768- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931015
- Bitcoin block existence check
- https://blockstream.info/api/block/960259
Full record
Track page: Werther / Act 1: "Si vous l'aviez connue" · Machine-readable JSON-LD