Challenge Difficult

Recording by Work Music.

Recording identifiers

ISRC
GBPS83979358
CopyrightID (CopyrightChains transaction hash)
0x1eee9586ce1da887c3e3fa7fc3d5b5bea608b169541b4daa9460901383521533
Copyright registration time
2026-07-31T14:46:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:6a046562ada5e89499d1dc86fb6bb93c02884c74afafb1fc21a28cc8d6b64086

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.