ISRC NLA507401102

Verified recording

NLA507401102 is “Ballade No. 2 in F, Op. 38” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0x2786750a92bc7142e59d544e1b9ba62dad8ca7e94bb552314a805006725b3360 and independently timestamped in Bitcoin block 960397 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507401102.

Recording identifiers

ISRC
NLA507401102
Title
Ballade No. 2 in F, Op. 38
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0x2786750a92bc7142e59d544e1b9ba62dad8ca7e94bb552314a805006725b3360

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41+00:00
Bitcoin block
960397
Canonical record hash
sha256:a7e36b71bd62e369da0a483f05a18c72059e83ceb9f84752b5ff030466f1d8e4
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507401102
Bitcoin block existence check
https://blockstream.info/api/block/960397

Full record

Track page: Ballade No. 2 in F, Op. 38 · Machine-readable JSON-LD