ISRC DEF057530506
Verified recording
DEF057530506 is “24 Préludes, Op. 28: No. 6 in B Minor: Lento assai” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x516c0b9849b7319ad75c0d863ef53d9bf84df900f2b96fded412bca02af1575a and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530506.
Recording identifiers
- ISRC
- DEF057530506
- Title
- 24 Préludes, Op. 28: No. 6 in B Minor: Lento assai
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x516c0b9849b7319ad75c0d863ef53d9bf84df900f2b96fded412bca02af1575a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:9dc74eac57f059e73b46eaa5e59de1533bb0e9a8bc629648a582b331865f7115- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530506
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: 24 Préludes, Op. 28: No. 6 in B Minor: Lento assai · Machine-readable JSON-LD