F.U.

Recording by Claas.

Recording identifiers

ISRC
USHM21784136
CopyrightID (CopyrightChains transaction hash)
0x0b8566b8a1120431d2a33be61ef90d0743926d7c234753e0fcaabee42871b5ad
Copyright registration time
2026-07-31T19:54:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:22:46Z
Bitcoin block
960459
Canonical record hash
sha256:70387a4a5be711287c6263b739dce7d0f9d1d67000d80b54068ba9c31fe81d1e

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.