ISRC QZDA52375988
Verified recording
QZDA52375988 is “Lost cause” by kumi!,
registered on the CopyrightChains blockchain with CopyrightID
0x3abbff882e06b01b58b5d17f980fbedf0ce9071eab6e6658dca656359598bd95 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/QZDA52375988.
Recording identifiers
- ISRC
- QZDA52375988
- Title
- Lost cause
- Artist
- kumi!
- CopyrightID (CopyrightChains transaction hash)
0x3abbff882e06b01b58b5d17f980fbedf0ce9071eab6e6658dca656359598bd95
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ca309814b884ec808ef44a97b123ac9b31191490a7eff377e63a50826f2cb54e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA52375988
- Bitcoin block existence check
- https://blockstream.info/api/block/957118