II. Adagio

Recording by E.T.A. Hoffmann.

Recording identifiers

ISRC
HKI192120604
CopyrightID (CopyrightChains transaction hash)
0xaf293abfd03a18dcac8b14e3576ec297448c924595168a6fd8037d41866ce391
Copyright registration time
2026-07-06T09:13:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:54:01Z
Bitcoin block
957820
Canonical record hash
sha256:25169c081e1466e1b89c8c396bd0a0bbcae977bee027a9d46adca62bc1227e7e

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.