ISRC NLY331801688
Verified recording
NLY331801688 is “4 Postludes for Piano and String Orchestra: I. Larghetto, Andante” by Valentin Silvestrov,
registered on the CopyrightChains blockchain with CopyrightID
0x713e1aac4e4ff60f250eac6480c62ccce395ac72900c7f54a59d54606e260bfa and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331801688.
Recording identifiers
- ISRC
- NLY331801688
- Title
- 4 Postludes for Piano and String Orchestra: I. Larghetto, Andante
- Artist
- Valentin Silvestrov
- CopyrightID (CopyrightChains transaction hash)
0x713e1aac4e4ff60f250eac6480c62ccce395ac72900c7f54a59d54606e260bfa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:431f405f5ea10040f34c322dbc3587898fd5f50b811ec1f0724a888be58e4453- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331801688
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: 4 Postludes for Piano and String Orchestra: I. Larghetto, Andante · Machine-readable JSON-LD