Double Back

Recording by Chavo.

Recording identifiers

ISRC
QZKUS2304576
CopyrightID (CopyrightChains transaction hash)
0xa2cb38b93c403d9171bebfae61ed64ea9f264f2eba9af87462f64b5cc75bea21
Copyright registration time
2026-06-22T02:53:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f21d6563a8393f8f160b07084558bbbc29ad96f4565e2068ebcbff10eb8ac6a2

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.