Doors of Perception

Recording by Brian Cid.

Recording identifiers

ISRC
AUXN21812787
CopyrightID (CopyrightChains transaction hash)
0x16e9138fc65e802de1d492cbc2ef76d0a5cf42ce4d8274c5950c9ba71c2f8309
Copyright registration time
2026-07-07T21:21:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ee924df5a7bffdddebd34bac82113c7f9177f430bc9f0e55246566da2394b9d3

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.