Malle Sijmen (Simple Simon), SwWV 323

Recording by Jan Pieterszoon Sweelinck.

Recording identifiers

ISRC
JPM831000401
CopyrightID (CopyrightChains transaction hash)
0xed5ea014ce666df0b4c8210d865d0c82fd33304c2a7ff4453e9f33353db08cad
Copyright registration time
2026-07-30T13:58:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:b75b2e54aa297e20279eb6ef2a6a2931e743ca93404ff917e19b9128eaeb69f5

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.