青春無晦 - [陳奕迅合唱]

Recording identifiers

ISRC

HKUM70900557

CopyrightID (CopyrightChains transaction hash)

0x23ce62ca502794a9459e1ff083e3f3f334b3c73965ba5c87390fdb2d1b99f74b

Copyright registration time

2026-07-30T19:04:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T19:26:00Z

Bitcoin block

960298

Canonical record hash

sha256:4dcb57755c2971e38ba91d729d3e7d02c4b236865e3f388af8522902875f39c4

• 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.