ISRC DEF057430607
Verified recording
DEF057430607 is “24 Preludes, Op. 28: No. 7 in A Major. Andantino - Recorded 1974” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x520b758083b84f3c815922646088fc07a1d479750a03f74839eca7f584853429 and independently timestamped
in Bitcoin block 960164 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057430607.
Recording identifiers
- ISRC
- DEF057430607
- Title
- 24 Preludes, Op. 28: No. 7 in A Major. Andantino - Recorded 1974
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x520b758083b84f3c815922646088fc07a1d479750a03f74839eca7f584853429
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:23:05+00:00
- Bitcoin block
- 960164
- Canonical record hash
sha256:3a64299b85ec3148d19eba94eeb24c6de1066c8b14b056a7590d6b6d6640f841- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057430607
- Bitcoin block existence check
- https://blockstream.info/api/block/960164
Full record
Track page: 24 Preludes, Op. 28: No. 7 in A Major. Andantino - Recorded 1974 · Machine-readable JSON-LD