ISRC QZK6M2314813
Verified recording
QZK6M2314813 is “ONCE ONCE” by Rica,
registered on the CopyrightChains blockchain with CopyrightID
0xf46fdc0376c72b3ea9098d199b7a2ea69fe37825e0e848524b560e72a02f6c2f and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6M2314813.
Recording identifiers
- ISRC
- QZK6M2314813
- Title
- ONCE ONCE
- Artist
- Rica
- CopyrightID (CopyrightChains transaction hash)
0xf46fdc0376c72b3ea9098d199b7a2ea69fe37825e0e848524b560e72a02f6c2f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:0854300afe8022129c950b9bae67d9649612a79aec12a479a20e4bcb0e7f02da- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6M2314813
- Bitcoin block existence check
- https://blockstream.info/api/block/960144