Boyfriend

Recording by Ashlee Simpson.

Recording identifiers

ISRC
USUM70503521
CopyrightID (CopyrightChains transaction hash)
0x36c7869254661a9c0c4d41fc3cb9bb4878115b69323d8d7d8a59fbb69fd41390
Copyright registration time
2026-06-04T15:46:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:663891e843f290b328401baa5a561cf22116fdf24ec93398080c5502a3b555fd

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.