ISRC DEF056507211
Verified recording
DEF056507211 is “Nocturne No. 13 in C Minor, Op. 48 No. 1 - Pt. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xbe78f0b5f1b309ced9b3ad4ffdbb309389cd7e236fd3b82dc288bee598c7d55b and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507211.
Recording identifiers
- ISRC
- DEF056507211
- Title
- Nocturne No. 13 in C Minor, Op. 48 No. 1 - Pt. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xbe78f0b5f1b309ced9b3ad4ffdbb309389cd7e236fd3b82dc288bee598c7d55b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:2160b8317a12b8e01f4a904793a8b512800538ecd77ef9b0a9331876c1df8af4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507211
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Nocturne No. 13 in C Minor, Op. 48 No. 1 - Pt. 1 · Machine-readable JSON-LD