Cello Suite in D Minor, Op. 131c, No. 2: III. Largo

Recording by Max Reger.

Recording identifiers

ISRC
DEU920323506
CopyrightID (CopyrightChains transaction hash)
0xccc34983a64515f9fcd207405c5932bec74ad534936c57cb4b5972bd38caef48
Copyright registration time
2026-07-30T06:43:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:d2d6445d1b8032d6666e04ca5cb60454ad0d0b856f0eff7bfe8dd364d5cc1d78

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.