Píseň Pro Joriku

Recording by Václav Neckář.

Recording identifiers

ISRC
CZA168300099
CopyrightID (CopyrightChains transaction hash)
0x32ffe12012dd2dc297469c7c8fab973d7e48b6150d90572f43e117a06e17021c
Copyright registration time
2026-07-31T18:00:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:537de879fb5eab58e608c81beda0760127a49268cabfc2f275afe2408fe4e5e9

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.