II. Adagio cantabile

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
HKI191516202
CopyrightID (CopyrightChains transaction hash)
0xbfb325efafb1f9b385ff56b4be78f68a1cb8fc63e2dfb5163773a98565881b35
Copyright registration time
2026-07-06T02:04:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:718a56226aef6155965688ee73a93f782f27dbf279ba064f318073ee2f79603e

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.