Laj laj lalalaj

Recording by Josef Vagner.

Recording identifiers

ISRC
CZA163302330
CopyrightID (CopyrightChains transaction hash)
0x20f935475f9bb58430b8c91fbd31b0dc05c1e1de82030415de068175f0db19e0
Copyright registration time
2026-07-07T11:41:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c650e6273686143be62b6c50ac9f75e187637963bb8f5836122cbac3c7fccca5

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.