ISRC GBUM72402182
Verified recording
GBUM72402182 is “4 Impromptus, Op. 142, D. 935: No. 2 in A-Flat Major. Allegretto - Excerpt” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xd14099366f890fa43f25891984d2108ae2b43f81d13e701bb36f806469a01a83 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72402182.
Recording identifiers
- ISRC
- GBUM72402182
- Title
- 4 Impromptus, Op. 142, D. 935: No. 2 in A-Flat Major. Allegretto - Excerpt
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xd14099366f890fa43f25891984d2108ae2b43f81d13e701bb36f806469a01a83
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:4d5ecb1182eaf4b7e478599f0300eb92242bfc1f785572f4584447b215dca53e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72402182
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: 4 Impromptus, Op. 142, D. 935: No. 2 in A-Flat Major. Allegretto - Excerpt · Machine-readable JSON-LD