Ballade No. 17 (Arr. P. Grainger for Saxophone Ensemble)

Recording by Guillaume de Machaut.

Recording identifiers

ISRC
HKI191507603
CopyrightID (CopyrightChains transaction hash)
0x509d6954043ebffa9d273adf120d08988cc6a2c43b526796c95aa18e79bd697e
Copyright registration time
2026-07-07T10:35:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:32f86a98b5e158a778a1b753a4720d07669b696980c8083edee8130648d90daf

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.