1. Allegro

Recording by Joseph Haydn.

Recording identifiers

ISRC
ES5701700589
CopyrightID (CopyrightChains transaction hash)
0xfbd76fc6529545e7b13dcf90a86c3e91caebee5dfc6ad7348a13336cfdd289d1
Copyright registration time
2026-07-06T22:55:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6fb2b59f8a03f8c40631bb24bb511f7dfe717a773cc291eee47f76f028df7a1e

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.