Präludium in C

Recording by Peter Maffay.

Recording identifiers

ISRC
DEA811100629
CopyrightID (CopyrightChains transaction hash)
0xd71c912533160dd744dd6098bb32d7f6d49c95007a69154388be57a2d0d9148c
Copyright registration time
2026-07-22T18:10:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T18:47:29Z
Bitcoin block
959163
Canonical record hash
sha256:0ec942584a433e232de8d84ca5e597f4c2eb3ea7dda54a8e0c17d00b16751422

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.