ISRC NLQK91700006
Verified recording
NLQK91700006 is “Sonata for Piano and Cello No. 2 in D, Op. 58: I. Allegro assai vivace” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0xa94a661c366be6a2e8f736b64af142af07b8c4d7072b9db1043e372c3d738274 and independently timestamped
in Bitcoin block 960370 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQK91700006.
Recording identifiers
- ISRC
- NLQK91700006
- Title
- Sonata for Piano and Cello No. 2 in D, Op. 58: I. Allegro assai vivace
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0xa94a661c366be6a2e8f736b64af142af07b8c4d7072b9db1043e372c3d738274
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:38:45+00:00
- Bitcoin block
- 960370
- Canonical record hash
sha256:de093ee0990b16443b862bc70b2ca41ee3821963a976de4ffe7fddd8c905636c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQK91700006
- Bitcoin block existence check
- https://blockstream.info/api/block/960370
Full record
Track page: Sonata for Piano and Cello No. 2 in D, Op. 58: I. Allegro assai vivace · Machine-readable JSON-LD