Concerto IV in G Major: IV. Allegro

Recording by Unico Wilhelm van Wassenaer.

Recording identifiers

ISRC
NLY332100587
CopyrightID (CopyrightChains transaction hash)
0xead6f9b12b01225ae66e1ee0773af24bc604997754234ba22b0f1044c154ffe8
Copyright registration time
2026-07-07T15:02:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4cf8c29c757f900f4e040acce886284d6f0dc179102bba6060b438a9e2cb54e2

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.