Quis Non Posset

Recording by Pieter Jan Leusink.

Recording identifiers

ISRC
NLC061200083
CopyrightID (CopyrightChains transaction hash)
0x5b0d94e978884e5b19608c4ac6711552b028834a71e26fbc7d3646a356574c45
Copyright registration time
2026-07-31T20:15:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:42:35Z
Bitcoin block
960463
Canonical record hash
sha256:89c10b5ef6cc4b4af5ad8bdbad52d81b9c65ccbccba9bcc8da88cb8b1f0921fa

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.