ISRC DEF055634302
Verified recording
DEF055634302 is “12 Études, Op. 25: No. 2 in F Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc906f3bd838ef11d798a22eb15abc0ab131b763595cefe8dab29a6b1a9706fb8 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/DEF055634302.
Recording identifiers
- ISRC
- DEF055634302
- Title
- 12 Études, Op. 25: No. 2 in F Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc906f3bd838ef11d798a22eb15abc0ab131b763595cefe8dab29a6b1a9706fb8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a9c07ce49329855bc9dd5cebfc5c2abb8838dcb5c49dceb7731d6f735d56df17- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055634302
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 12 Études, Op. 25: No. 2 in F Minor · Machine-readable JSON-LD