Concerto Armonico II: II. Da capella presto

Recording by Unico Wilhelm van Wassenaer.

Recording identifiers

ISRC
NLB152300687
CopyrightID (CopyrightChains transaction hash)
0x9771fa3fa4f737298756bd9f8776c85ae0d1c45d1d77ea11f6d6b5ea53fc9215
Copyright registration time
2026-07-07T16:42:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a78f5a0e5b81db186d60d1d5dad1fecf462491e283d5954ba05962b31731b576

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.