ISRC USSM19600226
Verified recording
USSM19600226 is “String Quartet No. 1 in D Major, Op. 11, TH 111: II. Andante cantabile (Version for String Orchestra)” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x3703de9c7e471a6b56b59ea8ba85d85aa4b81943e67f6412ec022f23a422306b and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19600226.
Recording identifiers
- ISRC
- USSM19600226
- Title
- String Quartet No. 1 in D Major, Op. 11, TH 111: II. Andante cantabile (Version for String Orchestra)
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x3703de9c7e471a6b56b59ea8ba85d85aa4b81943e67f6412ec022f23a422306b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:e527b802c042f32529ad6cf4d30d56cc2feadae76db8d5b1209e28cda8a6eb56- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19600226
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: String Quartet No. 1 in D Major, Op. 11, TH 111: II. Andante cantabile (Version for String Orchestra) · Machine-readable JSON-LD