Erika and John

Recording by Max Richter.

Recording identifiers

ISRC
USNLR1600073
CopyrightID (CopyrightChains transaction hash)
0x27be670af630cd04a1ac9d04d439cdeb7936f38d6af10038ab8eb4ec3a22935a
Copyright registration time
2026-06-20T21:03:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2595094bd187c1b2988a3b62f9cb5c1c4460d9d9f9155a43779f795267d633a8

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.