ISRC FRZ112200131
Verified recording
FRZ112200131 is “Janáček: Piano Sonata "1. X. 1905, From the Street": II. Death” by Leoš Janáček,
registered on the CopyrightChains blockchain with CopyrightID
0xe83bf7cf9ad74aeb6d89d700348dd683d6bb4f7a7bb3a3215975fcd301be4255 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ112200131.
Recording identifiers
- ISRC
- FRZ112200131
- Title
- Janáček: Piano Sonata "1. X. 1905, From the Street": II. Death
- Artist
- Leoš Janáček
- CopyrightID (CopyrightChains transaction hash)
0xe83bf7cf9ad74aeb6d89d700348dd683d6bb4f7a7bb3a3215975fcd301be4255
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:ce3b59496406405da0401b4b25227dab13befc76ee1461e0db7eac5529ec207d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ112200131
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Janáček: Piano Sonata "1. X. 1905, From the Street": II. Death · Machine-readable JSON-LD