back2u

Recording by lieu.

Recording identifiers

ISRC
QZS632113418
CopyrightID (CopyrightChains transaction hash)
0xa6916ec52ef93ef58d208c145fb0bc95ee21ecea40faba4d4e0d42c2fd29893b
Copyright registration time
2026-06-05T23:47:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:8a112f59b8ddb41cb7cbf20b845c48e97654a5ddcb461a5d3b5f606b43d8e61f

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.