Stokrát Chválím Čas

Recording identifiers

ISRC

CZA167800018

CopyrightID (CopyrightChains transaction hash)

0xc8dd419e1a038f0d5b6294325ed997deb80c3db8fdd7143103c1c0a2df51e4d2

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T09:37:10Z

Bitcoin block

960236

Canonical record hash

sha256:691e68c9583595478b7b7e2aa2298d1f74465c2ed736bed78c9a004f52dbf2fe

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.