問青空

Recording by Christopher Wong.

Recording identifiers

ISRC
HKA610200125
CopyrightID (CopyrightChains transaction hash)
0x50c17d39a2a44a5185f90486cb36358c9159bdc2b673c4a73b15bf4cb518f6ff
Copyright registration time
2026-06-24T23:29:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1169eafc2bf2b87dd8a1c3f95d717d81e8eddee5be12e8ace42644bd5385cb0a

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.