Catootje

Recording by Wim Sonneveld.

Recording identifiers

ISRC
NLA306200042
CopyrightID (CopyrightChains transaction hash)
0x8383f29d137c7fd9f60ad4c076b35cc096e8cc92f2e1bfb4a12e1210060379d7
Copyright registration time
2026-06-12T02:05:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7112acfc4d72f796991b64dcfc20f0308d6ead7c60ba5e36915d2337743340d9

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.