天國與地獄

Recording by Fred Cheung.

Recording identifiers

ISRC
HKC631506284
CopyrightID (CopyrightChains transaction hash)
0x9bf1434e9412ed24eec29e27aaf605a799d8d0b476683021b8643d45f6e8f314
Copyright registration time
2026-06-25T01:59:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a137466decdc0256807fbf1145fe009d92a394132d25517a836dbfa8ef43a694

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.