Bifrons

Recording by Vanguard Sound.

Recording identifiers

ISRC
DGA072330211
CopyrightID (CopyrightChains transaction hash)
0x3374bcc630ed08034f6af2c228edceafaf758f31c13610213f5cf03aafa2ca24
Copyright registration time
2026-07-29T23:25:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T23:39:29Z
Bitcoin block
960166
Canonical record hash
sha256:6c33676fa35ba89b17a9fe0e8f997bb2db1a8f765744bcc602dc44f17aaf5977

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.