Camcorder

Recording identifiers

ISRC

QZFZ72406881

CopyrightID (CopyrightChains transaction hash)

0xf038f689d87b72be79e709ac42668f94f3149b23ed57d033c506623fdc65ef92

Copyright registration time

2026-06-09T21:06:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:39:04Z

Bitcoin block

957122

Canonical record hash

sha256:dea799683709e7035dfec0efed71f984cf0880dae1342fdd5916e312473b5211

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.