往事只能回味

Recording by 劉家昌.

Recording identifiers

ISRC
TWA270606005
CopyrightID (CopyrightChains transaction hash)
0xaa2b8aa74905aefc75136b3a49cb5843bc3bbf2225d32de785e207241efbeb83
Copyright registration time
2026-07-30T18:53:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:11:09Z
Bitcoin block
960296
Canonical record hash
sha256:213c0ae17125716453425d151d9e2ac8c5a3aac2bcf784a2f660ab1a3ab91bb0

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.