ISRC HUC301500567
Verified recording
HUC301500567 is “Szomorú Vasárnap” by Koós János,
registered on the CopyrightChains blockchain with CopyrightID
0xe906db1db25b9f842c8f6476249fca425340c122b6d7147ed17bd05aaf4b5eff and independently timestamped
in Bitcoin block 960509 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUC301500567.
Recording identifiers
- ISRC
- HUC301500567
- Title
- Szomorú Vasárnap
- Artist
- Koós János
- CopyrightID (CopyrightChains transaction hash)
0xe906db1db25b9f842c8f6476249fca425340c122b6d7147ed17bd05aaf4b5eff
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T04:30:37+00:00
- Bitcoin block
- 960509
- Canonical record hash
sha256:e86407ef55e2816e3fae1122fd5a8fa5b20f5d07c4c0a6493f4f125052fea859- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUC301500567
- Bitcoin block existence check
- https://blockstream.info/api/block/960509