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