All at Once (with Max Raabe)

Recording by Kurt Weill.

Recording identifiers

ISRC
DEE470000316
CopyrightID (CopyrightChains transaction hash)
0xdb8d94498b3504b6b2021fe6cae1488f99c0e2a9f9c2df3ed1076fce570758b6
Copyright registration time
2026-07-07T14:42:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a93528d5bb3b6d405df6c42ba9aff0ed157878917b879b14b4c63ff32906e7d7

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.