Call a Friend

Recording by C4C.

Recording identifiers

ISRC
USANG2417627
CopyrightID (CopyrightChains transaction hash)
0x311a1469793e2672ecdd02360faeb9682116af8167208ca29bdd7edd177c96b8
Copyright registration time
2026-06-04T06:31:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:cad4101649e895d0e95e36f363587c1d811105da639d13fbd1747706c1cbea79

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.