Days Two

Recording by Office Background Music.

Recording identifiers

ISRC
GBPS85536489
CopyrightID (CopyrightChains transaction hash)
0x3f0f9692bd384ba3e73287f062d6a35d6695d867942e3ac55c97b3578774e28e
Copyright registration time
2026-07-07T13:49:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:2e85afddb2b1716fe25fabeb63bed75cc8f95eda4f4dec58621de037e683db98

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.