ISRC DEN961600360
Verified recording
DEN961600360 is “Polonaise-Fantaisie in A-Flat Major, Op. 61” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb57796ac62e99c4648107794f36d074224ef381f6e8b16075ab751a51fa07767 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600360.
Recording identifiers
- ISRC
- DEN961600360
- Title
- Polonaise-Fantaisie in A-Flat Major, Op. 61
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb57796ac62e99c4648107794f36d074224ef381f6e8b16075ab751a51fa07767
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:34d4ec12f91dbf0bf925ece35bcfb2a5747e4a4f0e4792bfaddac17137c5f878- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600360
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Polonaise-Fantaisie in A-Flat Major, Op. 61 · Machine-readable JSON-LD