ISRC NLQ661862601
Verified recording
NLQ661862601 is “Sonata No. 1 for Cello and Piano: I. Largo” by Alfred Schnittke,
registered on the CopyrightChains blockchain with CopyrightID
0xa204d67c4da16d4199129e07dd9da4a9b6292a316d523dd61be4f9f5d53468e3 and independently timestamped
in Bitcoin block 960117 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ661862601.
Recording identifiers
- ISRC
- NLQ661862601
- Title
- Sonata No. 1 for Cello and Piano: I. Largo
- Artist
- Alfred Schnittke
- CopyrightID (CopyrightChains transaction hash)
0xa204d67c4da16d4199129e07dd9da4a9b6292a316d523dd61be4f9f5d53468e3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T14:28:24+00:00
- Bitcoin block
- 960117
- Canonical record hash
sha256:d88aa84c8e9e5c3db42b4875cdcc2383d2e71bbed2a6932f2387d676dc2a7e0e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ661862601
- Bitcoin block existence check
- https://blockstream.info/api/block/960117
Full record
Track page: Sonata No. 1 for Cello and Piano: I. Largo · Machine-readable JSON-LD