ISRC DEF057430613
Verified recording
DEF057430613 is “24 Preludes, Op. 28: No. 13 in F-Sharp Minor. Lento - Recorded 1974” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xef63e5843ed4466bf4e990a2b130b7c39ba041c85ca64928bd3a94c2edef39f3 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/DEF057430613.
Recording identifiers
- ISRC
- DEF057430613
- Title
- 24 Preludes, Op. 28: No. 13 in F-Sharp Minor. Lento - Recorded 1974
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xef63e5843ed4466bf4e990a2b130b7c39ba041c85ca64928bd3a94c2edef39f3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5d4c5f70d58ca2a77959d2d34cae82742f41be7ca78e34571e47561198731560- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057430613
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 24 Preludes, Op. 28: No. 13 in F-Sharp Minor. Lento - Recorded 1974 · Machine-readable JSON-LD