ISRC NLA507000240
Verified recording
NLA507000240 is “Rondo in B-Flat Major for Violin and Orchestra, K. 269” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x7b8fc6b25daf5f43270b5a4acd640e198f1ea37cc37fb4d2a0f8cfab6cd37a47 and independently timestamped
in Bitcoin block 957145 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507000240.
Recording identifiers
- ISRC
- NLA507000240
- Title
- Rondo in B-Flat Major for Violin and Orchestra, K. 269
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x7b8fc6b25daf5f43270b5a4acd640e198f1ea37cc37fb4d2a0f8cfab6cd37a47
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T08:56:20+00:00
- Bitcoin block
- 957145
- Canonical record hash
sha256:fe3e33187a2312a7656913e090a268f1c148a57534342551f0db2702bd6185f3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507000240
- Bitcoin block existence check
- https://blockstream.info/api/block/957145
Full record
Track page: Rondo in B-Flat Major for Violin and Orchestra, K. 269 · Machine-readable JSON-LD