ISRC DEF057530522
Verified recording
DEF057530522 is “24 Préludes, Op. 28: No. 22 in G Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1f7462caeca4891f210e83088a978ea33e72a20f9931056ecc730a2619b625d1 and independently timestamped
in Bitcoin block 959159 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530522.
Recording identifiers
- ISRC
- DEF057530522
- Title
- 24 Préludes, Op. 28: No. 22 in G Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1f7462caeca4891f210e83088a978ea33e72a20f9931056ecc730a2619b625d1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:54619adb416daff30c8b6ce7db33bf0dc0721058f5a94723c477bf2f2b8e4b83- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530522
- Bitcoin block existence check
- https://blockstream.info/api/block/959159
Full record
Track page: 24 Préludes, Op. 28: No. 22 in G Minor · Machine-readable JSON-LD