I Know Him

Recording by Jonathan Groff.

Recording identifiers

ISRC
USAT21502628
CopyrightID (CopyrightChains transaction hash)
0x4debfd204ac06d2f2e7b25cd3e5d504e330b58fba5c14d4659da2e946335c6eb
Copyright registration time
2026-06-01T12:11:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:7c87ed5602579c2e02634509bf4f6871c5725d9cf99378645f25bf75f8b21ba1

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.