Thunderbirds March

Recording by Harry Mortimer & Massed Bands.

Recording identifiers

ISRC
GBAYE7400182
CopyrightID (CopyrightChains transaction hash)
0x06eaa248618094250195e0f4a023be8c5e973fae491801001e8ac72b6e93b0bd
Copyright registration time
2026-06-22T04:09:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d1537062b43f435ca75d070e174072b36e018a7b577e794dae6f26333c89832b

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.