Introduction and Passacaglia in D Minor: Introduction

Recording by Max Reger.

Recording identifiers

ISRC
GBAYD8901363
CopyrightID (CopyrightChains transaction hash)
0x652bc7bd34e07c68954efa8479b0527ee6d69263490d411b223896298b27feda
Copyright registration time
2026-08-01T01:31:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T02:22:04Z
Bitcoin block
960497
Canonical record hash
sha256:c6d4622b26f5f6c0223a32b8c5e54b7ada4e2ae10a566056eeffcffe7582c591

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.