Waltzing Mathilda

Recording by Martin Ermen.

Recording identifiers

ISRC
DEE861101559
CopyrightID (CopyrightChains transaction hash)
0x6160c513e4389e21a869218c4169398c9ffc553f2e597c5d1bc76b772db6cde3
Copyright registration time
2026-06-22T18:43:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0ac8deb070680df402a63d5845d20ba49c4bd66f17a3d28cd425fcca31a0c34f

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.