Humbug i Hamburg

Recording by Tom Mathisen.

Recording identifiers

ISRC
NOADG0549210
CopyrightID (CopyrightChains transaction hash)
0xb4f404b4cbeb1d8dcd8eb243b63cc3ce91ab79f3687d74fe175af0a6dd8269d3
Copyright registration time
2026-07-08T00:15:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:6d3c3d1b4ebf5bf87149f5f01dd41eb6f4d8df9a972c60a4677fd842444d439d

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.