Hard to Say

Recording by The Used.

Recording identifiers

ISRC
USRE10400957
CopyrightID (CopyrightChains transaction hash)
0x02137e382124a35cf214fe6869f6c1d8b76f0725b0c595ee23510d5ff9be3202
Copyright registration time
2026-06-05T07:19:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:7734a90f665e2e65b56bd8f208b8c2789da96a60c0ec1ee93fe89abde60981dc

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.