Bilbao-Song (with Max Raabe)

Recording by Kurt Weill.

Recording identifiers

ISRC
DEE470000308
CopyrightID (CopyrightChains transaction hash)
0x11e09011cab33c2de49f0cd482b2f7ad04fb7bba36e6e1c74d37812c83d56a52
Copyright registration time
2026-07-07T18:24:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:01676b0a841b3a358f27f4da2a3cdc44c12c24ce80b90dffdd0ef753b8b83331

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.