ISRC QZS7J2222100
Verified recording
QZS7J2222100 is “Obsidian” by klwn cat,
registered on the CopyrightChains blockchain with CopyrightID
0x43c354b3b0758ccc686178cb52c41a427982c4dcd9c17078f9919e3ece9f1bb7 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS7J2222100.
Recording identifiers
- ISRC
- QZS7J2222100
- Title
- Obsidian
- Artist
- klwn cat
- CopyrightID (CopyrightChains transaction hash)
0x43c354b3b0758ccc686178cb52c41a427982c4dcd9c17078f9919e3ece9f1bb7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:1a13e0b591e57cde386289bb83bb0782e3a09f899f877f3a460e26f4f99fd8df- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS7J2222100
- Bitcoin block existence check
- https://blockstream.info/api/block/960291