What Do You Know

Recording by 999.

Recording identifiers

ISRC
GBFDB2500020
CopyrightID (CopyrightChains transaction hash)
0x09afa77dfe6a8812689796cf664290b579e8ca70c98b4612bd80684b1626ab31
Copyright registration time
2026-07-30T18:19:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:09:33Z
Bitcoin block
960302
Canonical record hash
sha256:fecdcb7cc31d2f2b962cb7262fbcbdcd800c7728fef5bad4c0e0fd5912c7b1bf

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.