Amsterdam Swingin'

Recording by Mees Mattern.

Recording identifiers

ISRC
GBKQU2396882
CopyrightID (CopyrightChains transaction hash)
0x4f88138ea6e3b987fc692cd3eb1f1a3e2f9893bf83d9ba066d923ed0dd9a21a0
Copyright registration time
2026-06-21T08:13:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:4d3d2dff80f1771abbe2e645058d5c80a4fe39715d22f7438bad2201e83f0789

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.