ISRC QZNJX2037809

Verified recording

QZNJX2037809 is “Katucha” by Matéria Prima, registered on the CopyrightChains blockchain with CopyrightID 0x2258b838aa99f3b6179d1a82cfb1bafc27d2107f2e4cf519e85192e1682535ee 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/QZNJX2037809.

Recording identifiers

ISRC
QZNJX2037809
Title
Katucha
Artist
Matéria Prima
CopyrightID (CopyrightChains transaction hash)
0x2258b838aa99f3b6179d1a82cfb1bafc27d2107f2e4cf519e85192e1682535ee

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:02760594e43f7a489e9eb484a415e7a6201c274cce065b7da858315eba5b4e31
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2037809
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Katucha · Machine-readable JSON-LD