ISRC GBF078711611
Verified recording
GBF078711611 is “Mass in C, K.257 "Credo": 1. Kyrie” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xa894c995956d0cba5bc3042d50d6a7cfbbc9022e155a2505ea625fba542ea742 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/GBF078711611.
Recording identifiers
- ISRC
- GBF078711611
- Title
- Mass in C, K.257 "Credo": 1. Kyrie
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xa894c995956d0cba5bc3042d50d6a7cfbbc9022e155a2505ea625fba542ea742
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:22a50913d7e03b2c078f1ef17b4825d1cc90ba3bd02167c49fcc15b692f307d5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078711611
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Mass in C, K.257 "Credo": 1. Kyrie · Machine-readable JSON-LD