1 Miljoen Keer

Recording by Paul de Leeuw.

Recording identifiers

ISRC
NLD321600434
CopyrightID (CopyrightChains transaction hash)
0xa3a1ce922f3b2ee506cb7179a6c901d8aa1df1867f944c60c87339d101c381f9
Copyright registration time
2026-07-31T22:29:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:8a46909dba078b0ba4106f261ca8f42f18bed79c221caf320779945176086884

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.