ISRC DEF057131107
Verified recording
DEF057131107 is “24 Préludes, Op. 28: No. 7 in A Major: Andantino” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x517b03c6d6f7f6515890289130d8ee2c67e7d75708df25cae449c86b11da686a and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057131107.
Recording identifiers
- ISRC
- DEF057131107
- Title
- 24 Préludes, Op. 28: No. 7 in A Major: Andantino
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x517b03c6d6f7f6515890289130d8ee2c67e7d75708df25cae449c86b11da686a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:e2393ed25c3e56eedf5e2b65cfb20f7dafa5fd467b6b5a1b965c7b2d24d6c048- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057131107
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 24 Préludes, Op. 28: No. 7 in A Major: Andantino · Machine-readable JSON-LD