4+20

Recording by Henry Delkin.

Recording identifiers

ISRC
AUGBT2358650
CopyrightID (CopyrightChains transaction hash)
0x5ad7351726ce2a0b986640b0f9834c10abe2ee3b62eebecd60a2f71139e9ed9d
Copyright registration time
2026-06-21T16:59:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2884f6bb6b659dcb61acde0b6d73d59c6f4c7c001d02c2dc367178b17c807db7

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.