ISRC NLA509004001
Verified recording
NLA509004001 is “Clarinet Concerto No. 1 in F minor, Op. 73: 1. Allegro” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0x655cf783cc85b5e2c7231f5d88945e3c12a640a236a2e4413231f645e7f1a87c and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509004001.
Recording identifiers
- ISRC
- NLA509004001
- Title
- Clarinet Concerto No. 1 in F minor, Op. 73: 1. Allegro
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0x655cf783cc85b5e2c7231f5d88945e3c12a640a236a2e4413231f645e7f1a87c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:dc7406d28ea193f0957dbdcf1235b9ed484af5183945c8db84f558e75d48f4f7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509004001
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Clarinet Concerto No. 1 in F minor, Op. 73: 1. Allegro · Machine-readable JSON-LD