ISRC DEF057931040
Verified recording
DEF057931040 is “Werther / Act 4: "Qui parle?"” by Jules Massenet,
registered on the CopyrightChains blockchain with CopyrightID
0x9a057e82f0d885956b2a707c3499bc561c48b3d9f6e63b7ede31e914f7155255 and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931040.
Recording identifiers
- ISRC
- DEF057931040
- Title
- Werther / Act 4: "Qui parle?"
- Artist
- Jules Massenet
- CopyrightID (CopyrightChains transaction hash)
0x9a057e82f0d885956b2a707c3499bc561c48b3d9f6e63b7ede31e914f7155255
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:8486e0e5b56fea26d0fa208eac6e80adf0b089f5e09b37fce6c6d84611155c98- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931040
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: Werther / Act 4: "Qui parle?" · Machine-readable JSON-LD