ISRC FRZ397403250
Verified recording
FRZ397403250 is “Sérénade pour cordes en Mi Majeur, Op. 22, B.52: 2. Tempo di valse” by Antonín Dvořák,
registered on the CopyrightChains blockchain with CopyrightID
0xb5134ef85de2a107338aaf4ca24667d6ded91893ca16e74f2c91000878d95cc8 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ397403250.
Recording identifiers
- ISRC
- FRZ397403250
- Title
- Sérénade pour cordes en Mi Majeur, Op. 22, B.52: 2. Tempo di valse
- Artist
- Antonín Dvořák
- CopyrightID (CopyrightChains transaction hash)
0xb5134ef85de2a107338aaf4ca24667d6ded91893ca16e74f2c91000878d95cc8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ddc8910a332977f28cbbab781631f7ddb57d05fd1a868e031780f4c25047ba2f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ397403250
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sérénade pour cordes en Mi Majeur, Op. 22, B.52: 2. Tempo di valse · Machine-readable JSON-LD