Als Je Lacht

Recording by Jan Smit.

Recording identifiers

ISRC
NLH590900070
CopyrightID (CopyrightChains transaction hash)
0x129a84f1658c407c579cb51a0c7d848073bb86ac7250f54da23b49f6a6b035e7
Copyright registration time
2026-07-29T21:30:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:51:49Z
Bitcoin block
960150
Canonical record hash
sha256:0eda57eabce79d693a8366ddf944a077ea3032bab7a82c0621eccbebddc292c9

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.