ISRC NLA507708501
Verified recording
NLA507708501 is “Mazurka No. 1 in F Sharp Minor, Op. 6 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb9c945e0b94eb751d3f2919a91353ac5031cef20e72b12dc08d9e257f3fff3cc 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/NLA507708501.
Recording identifiers
- ISRC
- NLA507708501
- Title
- Mazurka No. 1 in F Sharp Minor, Op. 6 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb9c945e0b94eb751d3f2919a91353ac5031cef20e72b12dc08d9e257f3fff3cc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:06db4e1cec1732d6b42c2ccd5f78e8a3c1f8f67d3ae96f41efe609103686ecea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507708501
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Mazurka No. 1 in F Sharp Minor, Op. 6 No. 1 · Machine-readable JSON-LD