ISRC FRZ209407211
Verified recording
FRZ209407211 is “Tchaikovsky: Violin Concerto in D Major, Op. 35: II. Canzonetta. Andante (Excerpt)” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x12e411dd6c976a595cd37abd025a7c2e01879857f42bd57e24cd50cd3d240fdb and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209407211.
Recording identifiers
- ISRC
- FRZ209407211
- Title
- Tchaikovsky: Violin Concerto in D Major, Op. 35: II. Canzonetta. Andante (Excerpt)
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x12e411dd6c976a595cd37abd025a7c2e01879857f42bd57e24cd50cd3d240fdb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:28886fcc31b88b631920b942a51be8cc4363d8543229cc1b8f19e960ce29a0ef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209407211
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: Tchaikovsky: Violin Concerto in D Major, Op. 35: II. Canzonetta. Andante (Excerpt) · Machine-readable JSON-LD