Office Sounds

Recording by Lost & Sound.

Recording identifiers

ISRC
TCAEW2095436
CopyrightID (CopyrightChains transaction hash)
0xa6fe4127e6a357a5b9fdc070b103a2ec5e8ef0aff79d03181d51f1ece31e59ba
Copyright registration time
2026-06-10T11:55:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:eb67a59e6544c154504459570e2435fd2cbd6456e64aed338b09e38d189135ee

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.