ISRC NLA509004007
Verified recording
NLA509004007 is “Clarinet Concert No. 2 in E flat, Op. 74: 2. Romanza (Andante)” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0x97ce5e98b71191d218ec574737f6724a044c8d30eda1bd4a4a193e6e482e6d47 and independently timestamped
in Bitcoin block 960296 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509004007.
Recording identifiers
- ISRC
- NLA509004007
- Title
- Clarinet Concert No. 2 in E flat, Op. 74: 2. Romanza (Andante)
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0x97ce5e98b71191d218ec574737f6724a044c8d30eda1bd4a4a193e6e482e6d47
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:11:09+00:00
- Bitcoin block
- 960296
- Canonical record hash
sha256:473a333325e488682fddb8b8c0499cd8a1cad7b630b3247b853157efcef27631- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509004007
- Bitcoin block existence check
- https://blockstream.info/api/block/960296
Full record
Track page: Clarinet Concert No. 2 in E flat, Op. 74: 2. Romanza (Andante) · Machine-readable JSON-LD