ISRC USHM11566502
Verified recording
USHM11566502 is “String Quartet No. 1 in D Major, Op. 11, TH 111: II. Andante cantabile” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x0dc9a4de62cee40502c33ea234565ef13e24ddc7c230dc4b3f2f1013825b69c0 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/USHM11566502.
Recording identifiers
- ISRC
- USHM11566502
- Title
- String Quartet No. 1 in D Major, Op. 11, TH 111: II. Andante cantabile
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x0dc9a4de62cee40502c33ea234565ef13e24ddc7c230dc4b3f2f1013825b69c0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:372ff393895abcdc6b33d3abdcee5f853ed3a1fcb50042c76093811a0ab6522b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11566502
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: String Quartet No. 1 in D Major, Op. 11, TH 111: II. Andante cantabile · Machine-readable JSON-LD