ISRC DEN961700508
Verified recording
DEN961700508 is “Variations on "La ci darem la mano", Op. 2: Coda. Alla Polacca” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x55f61389464f99e51776b5e246f1fb87ba1a7240823ece77a4996582784342b9 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/DEN961700508.
Recording identifiers
- ISRC
- DEN961700508
- Title
- Variations on "La ci darem la mano", Op. 2: Coda. Alla Polacca
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x55f61389464f99e51776b5e246f1fb87ba1a7240823ece77a4996582784342b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2cba116758b3c76831205963af95afb2b40803366a856c6aa3f3c766639d3af3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961700508
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Variations on "La ci darem la mano", Op. 2: Coda. Alla Polacca · Machine-readable JSON-LD