ISRC GBF071304281
Verified recording
GBF071304281 is “Piano Concerto No. 2 in F Minor, Op. 21: 1. Maestoso” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x340bf6ce601b0077b2121123ec78921219c45acd899e09aa0b671555446c58f2 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071304281.
Recording identifiers
- ISRC
- GBF071304281
- Title
- Piano Concerto No. 2 in F Minor, Op. 21: 1. Maestoso
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x340bf6ce601b0077b2121123ec78921219c45acd899e09aa0b671555446c58f2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:9da32c03aaaf93a6758c41ea292bf6c7ac72f4df0aa6092a783c95058268e9ba- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071304281
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Piano Concerto No. 2 in F Minor, Op. 21: 1. Maestoso · Machine-readable JSON-LD