ISRC NLA507510110
Verified recording
NLA507510110 is “Waltz No. 10 in B Minor, Op. 69 No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x999a5c0b70211dc3e67f56c54ccbd25bcd50cefe8261d51b3a6d1115f9e168c9 and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507510110.
Recording identifiers
- ISRC
- NLA507510110
- Title
- Waltz No. 10 in B Minor, Op. 69 No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x999a5c0b70211dc3e67f56c54ccbd25bcd50cefe8261d51b3a6d1115f9e168c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:d7a975702e39b60387d0175acd0d6d7ad590f08b9bc7a57a4222f4de877798a6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507510110
- Bitcoin block existence check
- https://blockstream.info/api/block/957073
Full record
Track page: Waltz No. 10 in B Minor, Op. 69 No. 2 · Machine-readable JSON-LD