II. Adagio

Recording by Ignaz Pleyel.

Recording identifiers

ISRC
HKI191101610
CopyrightID (CopyrightChains transaction hash)
0x2a0cd266f3b9f60340a0cbb4234439fd80582e17591d5e31060b525073228d5e
Copyright registration time
2026-07-07T02:23:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:add5d96343868b8a9086403685538dad25fde4131e2924d17b198a123563c4a8

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.