Four in One

Recording by Han Bennink.

Recording identifiers

ISRC
NLD320800095
CopyrightID (CopyrightChains transaction hash)
0x096f18d1d7caa80fd04f8d82082389bcb9d30ae8128a175a77b375e6c0bfa8fd
Copyright registration time
2026-07-06T22:56:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8cec0b325a11908f310077f245d0d5eec8435ccab34322549caed95f4eeb89ff

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.