不速之約

Recording by Stephy Tang.

Recording identifiers

ISRC
HKG580700008
CopyrightID (CopyrightChains transaction hash)
0x4054d10d4d34775d18ba3abe129a6b5cd09baa115405159292f48a9fa67c47d0
Copyright registration time
2026-06-06T13:58:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:29f64c5690f40068b82dc15435bef3342dd74ccaf14b9a5f65c2a4e415ce840b

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.