ISRC FRZ200000700
Verified recording
FRZ200000700 is “Tchaikovsky: Souvenir de Hapsal, Op. 2: No. 3, Chant sans paroles” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x69a26c1fa02b5ddb003be592da32dcdfbd02017e9b3963bf88ba0f5490428ced and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200000700.
Recording identifiers
- ISRC
- FRZ200000700
- Title
- Tchaikovsky: Souvenir de Hapsal, Op. 2: No. 3, Chant sans paroles
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x69a26c1fa02b5ddb003be592da32dcdfbd02017e9b3963bf88ba0f5490428ced
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:b54f022102f6346424589bcda7dddc8660acc7f28c17d8d6d3a3b1aeee02fab1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200000700
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Tchaikovsky: Souvenir de Hapsal, Op. 2: No. 3, Chant sans paroles · Machine-readable JSON-LD