De Groeten

Recording by Sef.

Recording identifiers

ISRC
NLG661100486
CopyrightID (CopyrightChains transaction hash)
0xf8647afd85e75cb36551e5c015aa3b872af7bdd52028a16a1f9f6d15f22ee9ad
Copyright registration time
2026-06-22T06:57:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:acd0479f20c1a65484f358723b7fffd87f284746729574b78f62bfdb5843bc1d

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.