ISRC DEF057430617
Verified recording
DEF057430617 is “24 Preludes, Op. 28: No. 17 in A-Flat Major. Allegretto - Recorded 1974” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa8380c39428f86edaeafca9a9116882dcea5cd26336d46224d581b1e500bfded 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/DEF057430617.
Recording identifiers
- ISRC
- DEF057430617
- Title
- 24 Preludes, Op. 28: No. 17 in A-Flat Major. Allegretto - Recorded 1974
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa8380c39428f86edaeafca9a9116882dcea5cd26336d46224d581b1e500bfded
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8bb1ff2b05f53875143e570889f821f50f8a517de7bda3387e07148600d59e4c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057430617
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 24 Preludes, Op. 28: No. 17 in A-Flat Major. Allegretto - Recorded 1974 · Machine-readable JSON-LD