ISRC FR4GL1025404
Verified recording
FR4GL1025404 is “Impromptu No. 3 in G-Flat Major, Op. 90, D. 899” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xd8193bd95dc9cbdbac7a83c3f7315376f661e6afb220316c6e00c39af8584856 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4GL1025404.
Recording identifiers
- ISRC
- FR4GL1025404
- Title
- Impromptu No. 3 in G-Flat Major, Op. 90, D. 899
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xd8193bd95dc9cbdbac7a83c3f7315376f661e6afb220316c6e00c39af8584856
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:dc0af55e14c51d79607d4361ceb28e0bedac6746da6dacb168ee19e793e40308- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4GL1025404
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Impromptu No. 3 in G-Flat Major, Op. 90, D. 899 · Machine-readable JSON-LD