De Machine

Recording by Sef.

Recording identifiers

ISRC
NLG662200552
CopyrightID (CopyrightChains transaction hash)
0xbbd495fc124334079f5eaa58fc002df465e9ea11f8eb92f7fe80f70e55b9f80d
Copyright registration time
2026-06-05T09:36:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:4863ca139d8561fe1241d8db29f4335175912974b30971bc6f110434aeb46839

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.