ISRC NLE422100905
Verified recording
NLE422100905 is “Rondo in C Major for Violin and Orchestra, K. 373” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x1d2c312af07e35f7ae1a2c5da79b1693232ff1bc456f578a63d54605e005d786 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422100905.
Recording identifiers
- ISRC
- NLE422100905
- Title
- Rondo in C Major for Violin and Orchestra, K. 373
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x1d2c312af07e35f7ae1a2c5da79b1693232ff1bc456f578a63d54605e005d786
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:e34135b2d275c2f3bcffce3dc3f4998bf6920ef39494ca4e6379f6d8c6225126- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422100905
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Rondo in C Major for Violin and Orchestra, K. 373 · Machine-readable JSON-LD