ISRC NLA508310203
Verified recording
NLA508310203 is “Sinfonia Concertante for Flute, Oboe, Horn & Bassoon in E flat major, K.297B: 3. Andantino con variazioni” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xcdf788aa31b5249cd0248812d3f41c3d12c283eca24343a9a6d40011bfe38df2 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508310203.
Recording identifiers
- ISRC
- NLA508310203
- Title
- Sinfonia Concertante for Flute, Oboe, Horn & Bassoon in E flat major, K.297B: 3. Andantino con variazioni
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xcdf788aa31b5249cd0248812d3f41c3d12c283eca24343a9a6d40011bfe38df2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:a1e5b23d141ccb1ba6fc5ab98c9568fc4f93e0354f451fc0b2de8c1939e3c52f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508310203
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Sinfonia Concertante for Flute, Oboe, Horn & Bassoon in E flat major, K.297B: 3. Andantino con variazioni · Machine-readable JSON-LD