Kees

Recording by Frans Halsema.

Recording identifiers

ISRC
NLA307100045
CopyrightID (CopyrightChains transaction hash)
0x68bb61827d6919a1321734cf50b3f268f364cbc9de61717aaea451783562c2d4
Copyright registration time
2026-06-27T09:50:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:867fb22a05353c585db1133775ca48f2817fd3e0fdae81e6e1fc44699d266fad

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.