Office Sounds Brown Noise

Recording by Lost & Sound.

Recording identifiers

ISRC
TCAEW2095486
CopyrightID (CopyrightChains transaction hash)
0x1131f8c2275b36047b257c4328663709f657b045f126c8f57bb1fe3d0f492914
Copyright registration time
2026-06-28T01:35:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:f5f404e4dfe8041066f45e41d66ce20f41f9abb259f729d0987c6315d6a614cb

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.