Backroom Door

Recording by Bruno Martini.

Recording identifiers

ISRC
BRUM72001864
CopyrightID (CopyrightChains transaction hash)
0x6892a0e65fed6a6fde7023489a61b540e8e5d09bcb3492be1bbdfa5927759f2d
Copyright registration time
2026-07-06T06:56:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:8dde614167b930269bdad4d70a706df272f8320a6268603c0dc46e64402e361b

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.