A to mě trápí

Recording by Marta Kubišová.

Recording identifiers

ISRC
CZA161602680
CopyrightID (CopyrightChains transaction hash)
0xc468b53633fbbfb6a769d2443e02d0cf43de6a612164a13536e061386bc1751c
Copyright registration time
2026-07-30T12:09:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:45:34Z
Bitcoin block
960258
Canonical record hash
sha256:a3ca77f60a8f76b3563e57ccafa7793f24d055cda1c3aad4645f293561982e7c

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.