ISRC GBUM72407122
Verified recording
GBUM72407122 is “4 Impromptus, Op. 142, D. 935: No. 4 in F Minor - Excerpt” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x2edd92fc864f9abc38bdefce8f5c77c7b681f7619f66eda1ea35d8a060d099c9 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72407122.
Recording identifiers
- ISRC
- GBUM72407122
- Title
- 4 Impromptus, Op. 142, D. 935: No. 4 in F Minor - Excerpt
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x2edd92fc864f9abc38bdefce8f5c77c7b681f7619f66eda1ea35d8a060d099c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:03153636d197afe7e5b04072a24d9a3ec23518943427686c61c38fdbe2d5b2d4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72407122
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: 4 Impromptus, Op. 142, D. 935: No. 4 in F Minor - Excerpt · Machine-readable JSON-LD