ISRC NLA507928502
Verified recording
NLA507928502 is “Piano Concerto No. 1 in E Minor, Op. 11: II. Romance (Larghetto)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xac7f3dd3406d7cff7f9f1f9cd80dd7df23a5049882421bb9568ca402c39966f9 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507928502.
Recording identifiers
- ISRC
- NLA507928502
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: II. Romance (Larghetto)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xac7f3dd3406d7cff7f9f1f9cd80dd7df23a5049882421bb9568ca402c39966f9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:1ba3df3c5d1ced65805a29124a4d96d454ff9eedb75f4679fbec0876ac3e188d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507928502
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: II. Romance (Larghetto) · Machine-readable JSON-LD