Kočičí Knír - Chvála Koček

Recording by Petr Spálený.

Recording identifiers

ISRC
CZA167000428
CopyrightID (CopyrightChains transaction hash)
0x15e9faa5de518d7f8849e1ab16b3803604fe2ed772ee92c61e7d1a9afc93e013
Copyright registration time
2026-07-07T19:39:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ac49b67edb71971bf4749b092addb900a6f9ae29b9de1fc915b0c68722be10bc

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.