Bass Trap

Recording by U2.

Recording identifiers

ISRC
GBUM70911799
CopyrightID (CopyrightChains transaction hash)
0x432ba1fbf8215044fbd63a283a650afb47bfa2888deb0c5a57048753815a5d88
Copyright registration time
2026-06-11T04:07:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1fbf5130dcb8181a67f3789dcb70f0702dc00f82daf8ca2d8291b5dcc927b7ab

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.