Speak Up

Recording by Lai Kei.

Recording identifiers

ISRC
QZHN62029355
CopyrightID (CopyrightChains transaction hash)
0xfe17098d50e1fed41eb7b782c091d025157ca08e9b63af39d7a36510b37ccc39
Copyright registration time
2026-07-31T23:08:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:faafbe40c012de0d6d985e9d1c5f9a2cc35a628da52687206fc7b457b3ca8b88

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.