ISRC USQX91500826
Verified recording
USQX91500826 is “Valse Sentimentale, Op. 51, No. 6 (Arr. for Cello and Piano)” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xf652ae8ba2b881a14ebf7d6c1df61f6875360ded0d363f0ac9dfa9e6cf30a75c and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91500826.
Recording identifiers
- ISRC
- USQX91500826
- Title
- Valse Sentimentale, Op. 51, No. 6 (Arr. for Cello and Piano)
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xf652ae8ba2b881a14ebf7d6c1df61f6875360ded0d363f0ac9dfa9e6cf30a75c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:40fed13d83465539dc05b272026333774003ea310367d4999e95805e8d1c7628- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91500826
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Valse Sentimentale, Op. 51, No. 6 (Arr. for Cello and Piano) · Machine-readable JSON-LD