愛笑了

Recording by Sandy Lam.

Recording identifiers

ISRC
HKUM71200520
CopyrightID (CopyrightChains transaction hash)
0xce44e4185249a4d5f7fdc7530504b365c090b9d525ffb57f523106d2d2cd5662
Copyright registration time
2026-06-23T18:52:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:47f8341a9b42b5bf35379a067d99b1267dd90f2c43516940a29da34c1f53904d

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.