ISRC DEF058704900
Verified recording
DEF058704900 is “Nocturne in D minor op.19, no.4 - arr. Tchaikovsky for cello and piano” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x37c3bb17b72d593751cc2ec5339e875b75585806a409db6524aa470419d5dd20 and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058704900.
Recording identifiers
- ISRC
- DEF058704900
- Title
- Nocturne in D minor op.19, no.4 - arr. Tchaikovsky for cello and piano
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x37c3bb17b72d593751cc2ec5339e875b75585806a409db6524aa470419d5dd20
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:11c426a1ed7046052b459506ecab244080972cef8f0a7d9b6ba4f3e0c5cf5077- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058704900
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Nocturne in D minor op.19, no.4 - arr. Tchaikovsky for cello and piano · Machine-readable JSON-LD