ISRC DEF058101150
Verified recording
DEF058101150 is “Nocturne No. 15 in F Minor, Op. 55 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6b166f91b617cf5703afa7b305b10326cd0b656b93547e8003e6d2bf8e83b903 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/DEF058101150.
Recording identifiers
- ISRC
- DEF058101150
- Title
- Nocturne No. 15 in F Minor, Op. 55 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6b166f91b617cf5703afa7b305b10326cd0b656b93547e8003e6d2bf8e83b903
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:96434481e45e444c3b4aa755302c4aae60ce7cd038d095617fd6e5dbb56490dd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058101150
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Nocturne No. 15 in F Minor, Op. 55 No. 1 · Machine-readable JSON-LD