ISRC NLA508014706
Verified recording
NLA508014706 is “Waltz No. 16 in A-Flat Major, KK IVa/13” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7ca0e70d6d604ea0f3baa0111bcf94387b89f634424646b513c32ec2acdc9af5 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/NLA508014706.
Recording identifiers
- ISRC
- NLA508014706
- Title
- Waltz No. 16 in A-Flat Major, KK IVa/13
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7ca0e70d6d604ea0f3baa0111bcf94387b89f634424646b513c32ec2acdc9af5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:636ffae262679d01db39090f2501f63414f9a561fc2a423a0eb1553fec21fb9b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508014706
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Waltz No. 16 in A-Flat Major, KK IVa/13 · Machine-readable JSON-LD