Photocopy

Recording by Rev Tumza.

Recording identifiers

ISRC
QZ9452300963
CopyrightID (CopyrightChains transaction hash)
0x3404d6d2855945036f663eacbe81806eb61bef5c426b43eb7ea8475e4d00a4d8
Copyright registration time
2026-06-19T18:35:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0a5f7665ba23ed9142bfa7ee95091a4dcecd9f7a59ab73f17a1da3f4a578ba94

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.