Lessons

Recording by 73 De Pijp.

Recording identifiers

ISRC
NL1AP2051295
CopyrightID (CopyrightChains transaction hash)
0xe96b66e3bb3cf296a614f62215b8a1d3dc0d5ff977bcb06ea60d28ab8a4e5547
Copyright registration time
2026-06-04T14:49:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b15119bb6188079d2cef19d39d154a59f0339a1b5c0c8bb21070cf568eb1ebc2

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.