Samen

Recording by Paul de Leeuw.

Recording identifiers

ISRC
NLD459400001
CopyrightID (CopyrightChains transaction hash)
0x46f81118731079461fbfb1f5136fb239e8a82fb8f4ef1b85639ccf1c751a5e65
Copyright registration time
2026-07-29T11:24:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:30:20Z
Bitcoin block
960099
Canonical record hash
sha256:6b622e87777ef363abb24ad2fe52ed813da0fda8840953fe6fef2f514023b0bf

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.