Familiar Five

Recording by Marcus Marr.

Recording identifiers

ISRC
US4GE1700075
CopyrightID (CopyrightChains transaction hash)
0x033d3b750e2dc24ebd5cc28711756a6260a04a861e638f5bbe3d2d8a462fde7d
Copyright registration time
2026-06-20T12:43:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e53abd9de424a96fb517c3e732ce2bc8f4256a8f611c3ec77249f774021d36ac

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.