Grijs

Recording by Jaap Reesema.

Recording identifiers

ISRC
NLSU32200093
CopyrightID (CopyrightChains transaction hash)
0x6e3aa0f607f8a7ef98f2ed8a540f1b849195655bf084f56b1f9447aa742f1b8c
Copyright registration time
2026-06-04T06:19:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:75ef2af1f3dc310195f0cc4b2f476b8548a63540016a19e9fd11691408033afd

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.