ISRC AUUM72100348
Verified recording
AUUM72100348 is “Ballade No. 4 in F Minor, Op. 52” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xf0791c703347b8155a4071fff3cbe72c890c5ff60f28b6c9079fff727218ab85 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUUM72100348.
Recording identifiers
- ISRC
- AUUM72100348
- Title
- Ballade No. 4 in F Minor, Op. 52
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xf0791c703347b8155a4071fff3cbe72c890c5ff60f28b6c9079fff727218ab85
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:0e45b581f15e64014fe9160db3378c40afd2fe118ef882823dc17fad0d4c75e3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUUM72100348
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Ballade No. 4 in F Minor, Op. 52 · Machine-readable JSON-LD