ISRC NLA509004002
Verified recording
NLA509004002 is “Clarinet Concerto No. 1 in F minor, Op. 73: 2. Adagio ma non troppo” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0xfd0577a94f09d44c93b2b89055a8309e637df9747efff462491b8a223b566479 and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509004002.
Recording identifiers
- ISRC
- NLA509004002
- Title
- Clarinet Concerto No. 1 in F minor, Op. 73: 2. Adagio ma non troppo
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0xfd0577a94f09d44c93b2b89055a8309e637df9747efff462491b8a223b566479
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:ee0e83d78f82eebba7eaa949adab661ac636a7aad31b8fafe691595d0c073d5c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509004002
- Bitcoin block existence check
- https://blockstream.info/api/block/960209
Full record
Track page: Clarinet Concerto No. 1 in F minor, Op. 73: 2. Adagio ma non troppo · Machine-readable JSON-LD