ISRC DES380023318
Verified recording
DES380023318 is “Polonaise No. 6 in A-Flat Major, Op. 53, "Heroic": Polonaise No. 6 in A-Flat Major, Op. 53, "Heroic"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb7c03c49c716c1d84d05b83ee18aa23953743161d5e4e05ec02b3588310060b2 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380023318.
Recording identifiers
- ISRC
- DES380023318
- Title
- Polonaise No. 6 in A-Flat Major, Op. 53, "Heroic": Polonaise No. 6 in A-Flat Major, Op. 53, "Heroic"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb7c03c49c716c1d84d05b83ee18aa23953743161d5e4e05ec02b3588310060b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:b97fa62d9c40aaa777e7353392370fccfd2057f1e73ad1985d0738b590e5196a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380023318
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Polonaise No. 6 in A-Flat Major, Op. 53, "Heroic": Polonaise No. 6 in A-Flat Major, Op. 53, "Heroic" · Machine-readable JSON-LD