ISRC HUA251686011
Verified recording
HUA251686011 is “Szomoru vasarnap (Sad Sunday)” by Rezső Seress,
registered on the CopyrightChains blockchain with CopyrightID
0xc24e93f02643645727508f2445cf46500e96767f007ecd835961647f6ef1ae8e 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/HUA251686011.
Recording identifiers
- ISRC
- HUA251686011
- Title
- Szomoru vasarnap (Sad Sunday)
- Artist
- Rezső Seress
- CopyrightID (CopyrightChains transaction hash)
0xc24e93f02643645727508f2445cf46500e96767f007ecd835961647f6ef1ae8e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b17813aaf3251ac40576aed42395375ca88d30e0ef7376186f204222b6ee1896- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA251686011
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Szomoru vasarnap (Sad Sunday) · Machine-readable JSON-LD