ISRC DEF056507176
Verified recording
DEF056507176 is “Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 6” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x22edf3e35c4362eba31a4c8a6b05dc5fbaa26dcd250e6739196280989303ef66 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507176.
Recording identifiers
- ISRC
- DEF056507176
- Title
- Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 6
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x22edf3e35c4362eba31a4c8a6b05dc5fbaa26dcd250e6739196280989303ef66
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:a4d6966d2de49eca82c6b7292fa8ae172b63e4cc7c7671197cd1786a09d140b3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507176
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 6 · Machine-readable JSON-LD