Filthy - tofû Remix

Recording identifiers

ISRC

QZFZ72041716

CopyrightID (CopyrightChains transaction hash)

0x28480f6fe46709efc7a40343f1acb39dad085d6e33a5f9dfb6040e0a2973a801

Copyright registration time

2026-07-07T09:14:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:2e3496e0133261b65e47602b49f1ba9cf3f0f142ab171f1197a6d37b188f8e90

• 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.