ISRC NLA507401121
Verified recording
NLA507401121 is “Nocturne No. 13 in C minor, Op. 48 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xca51d5243ddb9e689a8bfceb6622ac87b86c927d0a97ea3820d50b9253783fa2 and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507401121.
Recording identifiers
- ISRC
- NLA507401121
- Title
- Nocturne No. 13 in C minor, Op. 48 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xca51d5243ddb9e689a8bfceb6622ac87b86c927d0a97ea3820d50b9253783fa2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:78f74d3a7f4da9a18a14ce28011370b3beeccb5fe4249fac06f1347f4a732a85- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507401121
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: Nocturne No. 13 in C minor, Op. 48 No. 1 · Machine-readable JSON-LD