II. Adagio cantabile

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
HKI192031102
CopyrightID (CopyrightChains transaction hash)
0xf53b1559cfa5e0c26b46b366dea38d2b26bb6641f6f013728629e874f77fc9c2
Copyright registration time
2026-06-25T06:51:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:828d5e6d93b039a94e32013e995cc0e4e32371627001ecf370688ea71913f63f

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.