Who Knew

Recording by Fivio Foreign.

Recording identifiers

ISRC
USSM12400532
CopyrightID (CopyrightChains transaction hash)
0x681cded4ac4cbda5f520f50005589cdc637b082088018fb8725d4c53957a62cf
Copyright registration time
2026-06-08T03:08:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:3b44397d5f9a7d0c28fa51225f2df14280ae7df9aaab750b8dc57bcf7e17ad8d

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.