O Du mein Trost und süßes Hoffen

Recording by Johann Wolfgang Frank.

Recording identifiers

ISRC
DEG029808105
CopyrightID (CopyrightChains transaction hash)
0x55efbd01886161332a78975999722931900e431367b9f0317a3e9e497f9d119e
Copyright registration time
2026-07-30T21:45:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:79446b2fb333b7e81b6bdfdad226c60fe0d0cfebf4a2663ef4515e236dc0c820

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.