Katucha

Recording by Matéria Prima.

Recording identifiers

ISRC
QZNJX2037809
CopyrightID (CopyrightChains transaction hash)
0x2258b838aa99f3b6179d1a82cfb1bafc27d2107f2e4cf519e85192e1682535ee
Copyright registration time
2026-07-07T11:18:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:02760594e43f7a489e9eb484a415e7a6201c274cce065b7da858315eba5b4e31

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.