ISRC NLE421406111
Verified recording
NLE421406111 is “Bassoon Concerto in C Major, RV 477: I. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x4cf2c12e12754802eed2e1a0ee4e2188a4dbd2902881e61e8ed5ce1a14bb286c and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421406111.
Recording identifiers
- ISRC
- NLE421406111
- Title
- Bassoon Concerto in C Major, RV 477: I. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x4cf2c12e12754802eed2e1a0ee4e2188a4dbd2902881e61e8ed5ce1a14bb286c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:c0140c38edebfdccbc98e07d9c8247256009d59aa7f63c21571e04a0f6c8e0d8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421406111
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Bassoon Concerto in C Major, RV 477: I. Allegro · Machine-readable JSON-LD