Trio Sonata in C Major: II. Adagio

Recording by Johann Joachim Quantz.

Recording identifiers

ISRC
SEAEC9420060
CopyrightID (CopyrightChains transaction hash)
0xba8cf3cb986d39115e9438b1b344016ee157010be1fcc21ff610c792f7cdf167
Copyright registration time
2026-07-07T14:25:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:adc050aae18e913a1717beaf365aec87e47d79d28d1506b45131911679190373

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.