ISRC HUA257107109
Verified recording
HUA257107109 is “Kislány a zongoránál” by János Koós,
registered on the CopyrightChains blockchain with CopyrightID
0x37f489740643ebae62aad8c468eed1164a0ab591a6c8536f7ca2d50a3bcd8bb4 and independently timestamped
in Bitcoin block 960311 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA257107109.
Recording identifiers
- ISRC
- HUA257107109
- Title
- Kislány a zongoránál
- Artist
- János Koós
- CopyrightID (CopyrightChains transaction hash)
0x37f489740643ebae62aad8c468eed1164a0ab591a6c8536f7ca2d50a3bcd8bb4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:45:02+00:00
- Bitcoin block
- 960311
- Canonical record hash
sha256:69796f31cfdacb3b67c2305e8251b13acc0f28a3a69b566e23c69562ca901536- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA257107109
- Bitcoin block existence check
- https://blockstream.info/api/block/960311