Four Walt Whitman Songs: No. 4, Dirge for Two Veterans

Recording by Kurt Weill.

Recording identifiers

ISRC
GBDGQ2538501
CopyrightID (CopyrightChains transaction hash)
0xa00871fd52374b8ddff92559d462c085e4b641558a875e3c8d292d0aa5247dd2
Copyright registration time
2026-07-07T01:53:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4331c3d8103a92edb649c62ac9e4f4a9dc8fd354fd397b1d4cb946477a38f22a

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.