往事悠悠

Recording by 黃仲崑.

Recording identifiers

ISRC
TWA119500406
CopyrightID (CopyrightChains transaction hash)
0xa17b8414fef562f573d24a2542f5be4c3e842572e94598461f270565c9f042f1
Copyright registration time
2026-08-01T00:59:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:2efffe3fdf90cc0cbbbd0eeb859843a43e2db257da3746aed8c942ad2a320825

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.