ISRC NLA507401101
Verified recording
NLA507401101 is “Ballade No. 1 in G minor, Op. 23” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x343979b491b92e7d0500547bbbb4b3a73dd960455e0346c7c740ddd937cb1936 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507401101.
Recording identifiers
- ISRC
- NLA507401101
- Title
- Ballade No. 1 in G minor, Op. 23
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x343979b491b92e7d0500547bbbb4b3a73dd960455e0346c7c740ddd937cb1936
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:f752cd5f08893a8dace830fe527697991f4898c169aee9897c2af1ef503d9142- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507401101
- Bitcoin block existence check
- https://blockstream.info/api/block/959144
Full record
Track page: Ballade No. 1 in G minor, Op. 23 · Machine-readable JSON-LD