ISRC DEF057931031
Verified recording
DEF057931031 is “Werther / Act 3: "Bonjour, grande soeur!"” by Jules Massenet,
registered on the CopyrightChains blockchain with CopyrightID
0x6cf6572ce6694a4a1228055f6a65243024ccd2f338ba3bba58cf98b92d6623df 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/DEF057931031.
Recording identifiers
- ISRC
- DEF057931031
- Title
- Werther / Act 3: "Bonjour, grande soeur!"
- Artist
- Jules Massenet
- CopyrightID (CopyrightChains transaction hash)
0x6cf6572ce6694a4a1228055f6a65243024ccd2f338ba3bba58cf98b92d6623df
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:5ffc3d7b80299b2f4ad5fe3901b5802ff0437a10361c40962cf83accd9456879- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931031
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Werther / Act 3: "Bonjour, grande soeur!" · Machine-readable JSON-LD