Rutinní kontrola

Recording by Josef K..

Recording identifiers

ISRC
QZFYZ2135263
CopyrightID (CopyrightChains transaction hash)
0xc2abef6ae01e9e763595d63232e30276ec8f91e6de81c3e2ea6d0f05454bcc35
Copyright registration time
2026-07-07T22:33:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c754cda98c07473115c2bce77e71b5d3ff2fcd0786c27775374c8eebcd3f1fb9

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.