ISRC GBAYC9301926
Verified recording
GBAYC9301926 is “Chopin: 2 Polonaises, Op. 40: No. 1 in A Major "Military"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x79978baa3011428fc7e36ede942b5491a68e8423027314c497ea4cd79e99e042 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9301926.
Recording identifiers
- ISRC
- GBAYC9301926
- Title
- Chopin: 2 Polonaises, Op. 40: No. 1 in A Major "Military"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x79978baa3011428fc7e36ede942b5491a68e8423027314c497ea4cd79e99e042
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:7f1521bd28706922c85aa69be40bca67d2036ef42fb7109021364193d744fd41- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9301926
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Chopin: 2 Polonaises, Op. 40: No. 1 in A Major "Military" · Machine-readable JSON-LD