Hollaback Girl

Recording by Kato.

Recording identifiers

ISRC
DK4YA2284301
CopyrightID (CopyrightChains transaction hash)
0xef2381b0bdfbffb03e108fd7534fc0d413a2ef8d80426b2731008ea361fb1445
Copyright registration time
2026-06-04T16:25:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:91fa03a1e87d787ece188e1e725bd78c372c60f26026f4a7fd6ed62a4f81a16e

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.