Adagio in F, H.XVII No. 9

Recording by Joseph Haydn.

Recording identifiers

ISRC
NLA508318410
CopyrightID (CopyrightChains transaction hash)
0xde446d4a26a8df2ad0a58b1d74606b07775b4a5da37261f63b06d83e41f5d2fb
Copyright registration time
2026-06-26T15:56:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d2097b8bce9c2554aab527a6a95db03f845e45503e1ece6547cb04f3e7af002b

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.