ISRC NLA507510111
Verified recording
NLA507510111 is “Waltz No. 11 in G Flat, Op. 70 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x15631170809953f7a78095410ff4b998b02cec676575d42d2c100b22b2bf809f and independently timestamped
in Bitcoin block 960113 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507510111.
Recording identifiers
- ISRC
- NLA507510111
- Title
- Waltz No. 11 in G Flat, Op. 70 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x15631170809953f7a78095410ff4b998b02cec676575d42d2c100b22b2bf809f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:38:16+00:00
- Bitcoin block
- 960113
- Canonical record hash
sha256:635ab59df9eeb4f25e4bd83935994fe61bbc98da6186401d654264345c517aac- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507510111
- Bitcoin block existence check
- https://blockstream.info/api/block/960113
Full record
Track page: Waltz No. 11 in G Flat, Op. 70 No. 1 · Machine-readable JSON-LD