Čím Zvoní Píseň Má?

Recording by Marie Rottrova.

Recording identifiers

ISRC
CZA167200203
CopyrightID (CopyrightChains transaction hash)
0x8a63d15bde85603a42e752a55ab26c38b9f2d265a99caede2fec024898a47b46
Copyright registration time
2026-07-06T08:08:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T12:58:18Z
Bitcoin block
957039
Canonical record hash
sha256:7529eec83202a04948e05bd77614643ca7be0ffe94c512c3399c1d54ae15995c

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.