Challenge Difficult

Recording by Work Music.

Recording identifiers

ISRC
GBPS83979358
CopyrightID (CopyrightChains transaction hash)
0x1eee9586ce1da887c3e3fa7fc3d5b5bea608b169541b4daa9460901383521533

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:52:22Z
Bitcoin block
960513
Canonical record hash
sha256:b1fd9611ade06b2e207c7b70b77074878d5b812ae86aede77d9a1ecf629fb309

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.