Girls - Instrumental

Recording by Marcus & Martinus.

Recording identifiers

ISRC
NOAJR1800071
CopyrightID (CopyrightChains transaction hash)
0x7f8634cedaae0dbd35f3e677ba93710ce4d86550013bc5e43eff0db9407263ed
Copyright registration time
2026-06-19T19:50:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a9e11668efbc6878e4abdb620f8d62a14792740b162e530ff639478eb9ad4417

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.