ISRC GBF077112260

Verified recording

GBF077112260 is “Impromptu in A flat, D.935 No. 2” by Franz Schubert, registered on the CopyrightChains blockchain with CopyrightID 0x5be8ca6021b183b1f19940377a420e40eb55ccfdfbfdf384886326f696f01cbe and independently timestamped in Bitcoin block 960258 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077112260.

Recording identifiers

ISRC
GBF077112260
Title
Impromptu in A flat, D.935 No. 2
Artist
Franz Schubert
CopyrightID (CopyrightChains transaction hash)
0x5be8ca6021b183b1f19940377a420e40eb55ccfdfbfdf384886326f696f01cbe

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T12:45:34+00:00
Bitcoin block
960258
Canonical record hash
sha256:233286a8aa08abbeb45f1eb21057b1157b3731c0bf2967e0e0f48eb040cbb480
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077112260
Bitcoin block existence check
https://blockstream.info/api/block/960258

Full record

Track page: Impromptu in A flat, D.935 No. 2 · Machine-readable JSON-LD