Casars Tod

Recording by Lotte Lenya.

Recording identifiers

ISRC
GBURF1100185
CopyrightID (CopyrightChains transaction hash)
0x8f45f97bef4c24707e3a1f3c06ed2b12780cac89dd139442324f97897d09dc5a
Copyright registration time
2026-07-07T17:41:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:d069bbcbf3e58d3fb7ea386a26b2d88bc8c313c9b82a89d08f70e7a6dfc526df

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.