Now You Know

Recording by Jon Langston.

Recording identifiers

ISRC
USUM71910605
CopyrightID (CopyrightChains transaction hash)
0xb18adc02c04df51b4490cff30b0907cca5d60561cf41c62e8e7b5d67b87514d1
Copyright registration time
2026-06-20T20:19:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:72fa2a8738429741d6989e9eb6299bb4a739104143c1c2bb6012a41934ed76b1

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.