ISRC DE0851511586
Verified recording
DE0851511586 is “Polonaise in A-Flat Major, Op. 53 "Heroic Polonaise"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8f35a8968d9e299b4592ff967543925d9a2719d640e72f40f04324c511d3e2b6 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/DE0851511586.
Recording identifiers
- ISRC
- DE0851511586
- Title
- Polonaise in A-Flat Major, Op. 53 "Heroic Polonaise"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8f35a8968d9e299b4592ff967543925d9a2719d640e72f40f04324c511d3e2b6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:4e5c5f852479b742e2473ac5f25b18ed7255b7ba77d3bc932f6277fe2e19239b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE0851511586
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Polonaise in A-Flat Major, Op. 53 "Heroic Polonaise" · Machine-readable JSON-LD