Hráč

Recording by Petr Spálený.

Recording identifiers

ISRC
CZA167900216
CopyrightID (CopyrightChains transaction hash)
0x3d39cbd7c52df8d110e8ffa7b440258992f73b299bde773be2a111a7cf285616
Copyright registration time
2026-06-05T23:53:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:6207abf815c1a0694cdddaa893c80437befe93ea16e01fb6ea8dd153692d5b20

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.