Questionable Concept of Freedom - Original Mix

Recording by Pfirter.

Recording identifiers

ISRC
DECY52100446
CopyrightID (CopyrightChains transaction hash)
0x8ad1c0afe859eb603a43df2ccf331b9e56468a7533af349d62880afcfe326784
Copyright registration time
2026-07-31T07:01:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:879f43d8af4067d52ad0b9bda62ff2aa217c331a59d9bc2f913284b9162475ae

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.