ISRC USUW61100040
Verified recording
USUW61100040 is “Yolka (The Christmas Tree), Op. 21: Waltz (arr. for piano)” by Vladimir Rebikov,
registered on the CopyrightChains blockchain with CopyrightID
0x8f66803e90309d469987dd3f0abf4f0a2168239761991cde81e96f83c75112b8 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100040.
Recording identifiers
- ISRC
- USUW61100040
- Title
- Yolka (The Christmas Tree), Op. 21: Waltz (arr. for piano)
- Artist
- Vladimir Rebikov
- CopyrightID (CopyrightChains transaction hash)
0x8f66803e90309d469987dd3f0abf4f0a2168239761991cde81e96f83c75112b8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:dbc35d1e48630f1548480af3b34148414f6a52ac9b688fc9b37932e0a69ed9f2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61100040
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Yolka (The Christmas Tree), Op. 21: Waltz (arr. for piano) · Machine-readable JSON-LD