快樂不快樂 - 國

Recording identifiers

ISRC

HKI490018307

CopyrightID (CopyrightChains transaction hash)

0x4dbdaf54302b724c8660016b0216e11648a76e393c9acb15983e7dbf3a7e9a9a

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-22T16:43:41Z

Bitcoin block

959155

Canonical record hash

sha256:d3f68c12ef9cb58be39be602196c023162d4283627210f422bf34ebf704150d2

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.