懷舊是一種品味

Recording by Jason Chan.

Recording identifiers

ISRC
HKA412300648
CopyrightID (CopyrightChains transaction hash)
0x5bfaf99dfa6b3ca0574c9448ac09bede0fd1b1b9aa15110cf51f550a702c3add
Copyright registration time
2026-06-09T11:53:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-17T19:07:14Z
Bitcoin block
954130
Canonical record hash
sha256:be03473c5f7fa50fd47823a193c685f9f307ab2aa4f48bf9a9e8c9e45b11d607

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.