ISRC FRZ130947090
Verified recording
FRZ130947090 is “6 Romances, Op. 16: No. 1, Berceuse "Kolybel'naja pesnja" (Moderato lugubre)” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xd40de8572103f855f08b85945aac33927d524504787eb2de8d4a877b34652138 and independently timestamped
in Bitcoin block 960340 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130947090.
Recording identifiers
- ISRC
- FRZ130947090
- Title
- 6 Romances, Op. 16: No. 1, Berceuse "Kolybel'naja pesnja" (Moderato lugubre)
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xd40de8572103f855f08b85945aac33927d524504787eb2de8d4a877b34652138
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T03:15:04+00:00
- Bitcoin block
- 960340
- Canonical record hash
sha256:6a87c5c1e9af2654de001b3ef78a001f94234b0e346dcda7b419b122154a3840- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130947090
- Bitcoin block existence check
- https://blockstream.info/api/block/960340
Full record
Track page: 6 Romances, Op. 16: No. 1, Berceuse "Kolybel'naja pesnja" (Moderato lugubre) · Machine-readable JSON-LD