Var. 11, Adagio

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
HKI192306815
CopyrightID (CopyrightChains transaction hash)
0x6ff34c5511aba170fae675c419cadcf5989d0c0461153a82eae2f163fbec7ea3
Copyright registration time
2026-06-20T08:11:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:523fa212ffb7c5811672b757fa7c13985de3da6e025ee300eaadac8bd0d73614

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.