Co jsem to za matku?

Recording by Milan Peroutka.

Recording identifiers

ISRC
CZA162400934
CopyrightID (CopyrightChains transaction hash)
0x7e0bd6cf0b953ad6743432ff16473a969d38764bf757fac9f3d90cd8bbf7c8e2
Copyright registration time
2026-06-18T22:43:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1fdac6236c6fe12f36ea30bf0ae920a9c80ceae5c13c888bbc7eec678ca3b3ac

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.