Caferxxo

Recording by Feid.

Recording identifiers

ISRC
USUM72505846
CopyrightID (CopyrightChains transaction hash)
0x737404a267c57e64c97b673b8478d0c3c005e89ecc3f8b82ed69366e4b1abb5d
Copyright registration time
2026-06-04T15:27:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9556ff5f302ffe366cc75936344f5263aa7a0155ba8b4c46bc95a361594a9c9c

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.