Drie Japanezen

Recording by Paul de Leeuw.

Recording identifiers

ISRC
NLK072200109
CopyrightID (CopyrightChains transaction hash)
0xaaddab1c2600078cefa7645d56a81630906e76b09cdf9d08d263ceea5a0d517f
Copyright registration time
2026-07-31T00:31:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:80a7fc082f9f0ace5d95708a39d03725a778f7a899111770212cdf53aac5d3ad

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.