Tango-Ballade (with Max Raabe)

Recording by Kurt Weill.

Recording identifiers

ISRC
DEE470000323
CopyrightID (CopyrightChains transaction hash)
0x9218a3fa4316117d766549488cc98b8afee64daa9c637db8526bd06e2b29999f
Copyright registration time
2026-07-07T15:25:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1aead946cc1592478774d2609f41d62ddd6ea29d0aab75d27f3ae68189164cf7

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.