Lasst uns mit geschlungnen Händen, K.623a

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
GBF076810630
CopyrightID (CopyrightChains transaction hash)
0xe7a9ace3eb5f7b31dd6e05235f258e445981abfe30ded273b8266bb648813702
Copyright registration time
2026-07-06T08:37:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:458b2107d9f87e468fa88cbd304607f8e741e18f1b896766552238e2df54839e

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.