ISRC FRUM78300044
Verified recording
FRUM78300044 is “4 Impromptus, Op. 90, D.899: N°2 en mi bémol majeur” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x425adf1cefb2091d51ae3c6f0d88fc3a68da587e58870aae6fa3b58cb5f7318a and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM78300044.
Recording identifiers
- ISRC
- FRUM78300044
- Title
- 4 Impromptus, Op. 90, D.899: N°2 en mi bémol majeur
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x425adf1cefb2091d51ae3c6f0d88fc3a68da587e58870aae6fa3b58cb5f7318a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:39931756ced37685c8d4e7ff7a2cdd20eb754b663765c312e2298e10a846c11f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM78300044
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: 4 Impromptus, Op. 90, D.899: N°2 en mi bémol majeur · Machine-readable JSON-LD