B.A.C.K

Recording by Girl Unit.

Recording identifiers

ISRC
GB5P51900084
CopyrightID (CopyrightChains transaction hash)
0x786acdf8a0ecbefcdb0c8ab9e71b3ac57588084220f3331c151a5b6213fa09a4
Copyright registration time
2026-06-17T23:10:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d57466448fd101e6972f99c7ef2be0fd6491e8695335f9d6f0e249b372261493

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.