ISRC NLA460915720
Verified recording
NLA460915720 is “Violin Sonata No. 1 in A Major, C. 138: IV. Variatio” by Heinrich Ignaz Franz von Biber,
registered on the CopyrightChains blockchain with CopyrightID
0xee74899891a872a4f7b626d023a7913db012a9cb7ab7a461c33d4ca0773efc8c and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460915720.
Recording identifiers
- ISRC
- NLA460915720
- Title
- Violin Sonata No. 1 in A Major, C. 138: IV. Variatio
- Artist
- Heinrich Ignaz Franz von Biber
- CopyrightID (CopyrightChains transaction hash)
0xee74899891a872a4f7b626d023a7913db012a9cb7ab7a461c33d4ca0773efc8c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:7bf68b98b80f70156e00b4a780e42cb38a9cf60a22b20d4dad9c6fc07236d09b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460915720
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Violin Sonata No. 1 in A Major, C. 138: IV. Variatio · Machine-readable JSON-LD