ISRC NLQ661862603
Verified recording
NLQ661862603 is “Sonata No. 1 for Cello and Piano: III. Largo” by Alfred Schnittke,
registered on the CopyrightChains blockchain with CopyrightID
0xa419d7c41d09b46e47e545ec11d7346fad03b764dbb40852a2218ed22b989361 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ661862603.
Recording identifiers
- ISRC
- NLQ661862603
- Title
- Sonata No. 1 for Cello and Piano: III. Largo
- Artist
- Alfred Schnittke
- CopyrightID (CopyrightChains transaction hash)
0xa419d7c41d09b46e47e545ec11d7346fad03b764dbb40852a2218ed22b989361
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:8bdd51ef35dfd8ba1ac1c77d883c331a59370cf8ba9550c270120515fe81e391- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ661862603
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Sonata No. 1 for Cello and Piano: III. Largo · Machine-readable JSON-LD