Bi2f

Recording by Biffty.

Recording identifiers

ISRC
FR59R1758674
CopyrightID (CopyrightChains transaction hash)
0x347f978fdbb8844a30ba35053ce78eabe3e030d99a4c62625d73ff5729828d92
Copyright registration time
2026-06-21T03:09:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8ada7dd278dbe6a6f803a5e81bcf1408ce5b050d55a1b7cf7890649a7fea030c

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.