Armida / Act 3: Marcia

Recording by Joseph Haydn.

Recording identifiers

ISRC
NLA507714237
CopyrightID (CopyrightChains transaction hash)
0x9b2adb400f36fcc79740b78b084fba30ab117fa0b48c15b6a349f7e3206c06f6
Copyright registration time
2026-07-07T08:23:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e8f1eca2fd011fb6a51ce94bae0582c79d246e32e7c4afb9b6325e4a79940edd

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.