ISRC NLQK91700008
Verified recording
NLQK91700008 is “Sonata for Piano and Cello No. 2 in D, Op. 58: III. Adagio” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0xafc0ee1c53e8c4e3d72838306b0963394f4b2cc075ee6a7267028da9823a72c1 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQK91700008.
Recording identifiers
- ISRC
- NLQK91700008
- Title
- Sonata for Piano and Cello No. 2 in D, Op. 58: III. Adagio
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0xafc0ee1c53e8c4e3d72838306b0963394f4b2cc075ee6a7267028da9823a72c1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:e12d4143b7065727e9dbf195e266882c9a7c409639c9b79f5a3b6a26a8291e2a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQK91700008
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Sonata for Piano and Cello No. 2 in D, Op. 58: III. Adagio · Machine-readable JSON-LD