I. Adagio sostenuto

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
HKI192034009
CopyrightID (CopyrightChains transaction hash)
0x9a1f68987881d8fd8a76d3bbf531134dd70e37abf2d8f04c50e2197df43ba52b
Copyright registration time
2026-06-24T17:26:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:e195e902c9086691a6f4ff9a00b6fe159440170ac437c8efa61cb2111446688d

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.