Christ lag in Todesbanden: I. Sonata

Recording by Johann Kuhnau.

Recording identifiers

ISRC
FR7JM2387090
CopyrightID (CopyrightChains transaction hash)
0xfceb04f36c77bc3533249ff79a2fcaa04f8ec043066c80e8c4001345dd866d4d
Copyright registration time
2026-07-06T19:16:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:58e02db43536483ca075e5fe464a349ea4c22a3692ea3c247fea2d15ae3b8591

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.