ISRC DEAD62008442
Verified recording
DEAD62008442 is “Piano Sonata No. 2 in B-Flat minor, Op. 25 „funeral March“: Polonaise No. 7 as Dur / A flat Major, Op. 61 - „polonaise – Fantaisie“” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x429906fda4dea2d738c76e29f639dff8b83c7c14d7fbaa1d0e579920ce6e9fef and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD62008442.
Recording identifiers
- ISRC
- DEAD62008442
- Title
- Piano Sonata No. 2 in B-Flat minor, Op. 25 „funeral March“: Polonaise No. 7 as Dur / A flat Major, Op. 61 - „polonaise – Fantaisie“
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x429906fda4dea2d738c76e29f639dff8b83c7c14d7fbaa1d0e579920ce6e9fef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f56fc55cb1e3390b4b11e341c2f10b97c9814f1cfd65fd9b47360348cc98b71d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD62008442
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 2 in B-Flat minor, Op. 25 „funeral March“: Polonaise No. 7 as Dur / A flat Major, Op. 61 - „polonaise – Fantaisie“ · Machine-readable JSON-LD