ISRC DEN961002160
Verified recording
DEN961002160 is “Polonaise No. 6 in A-Flat Major, Op. 53 "Heroic"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x5a60f08c138c4777e500c61f363e4a4c5231ff441cf447abe4d3a8745bab5adb and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961002160.
Recording identifiers
- ISRC
- DEN961002160
- Title
- Polonaise No. 6 in A-Flat Major, Op. 53 "Heroic"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x5a60f08c138c4777e500c61f363e4a4c5231ff441cf447abe4d3a8745bab5adb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:c1a474d513e0c929a3de1edb6747e7c3697755051f1473a30ec25ebaae223004- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961002160
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Polonaise No. 6 in A-Flat Major, Op. 53 "Heroic" · Machine-readable JSON-LD