ISRC DEF056507175
Verified recording
DEF056507175 is “Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 5” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x30b9e49d9402b63beec9706211a92bfbabcd9c607f3c24c3de552242d538308c and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507175.
Recording identifiers
- ISRC
- DEF056507175
- Title
- Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 5
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x30b9e49d9402b63beec9706211a92bfbabcd9c607f3c24c3de552242d538308c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:51457edeb53eb5598b6b8fdc54062fbde52e9003bd148262b4db41cf3c4d9dc8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507175
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 5 · Machine-readable JSON-LD