往事如昔

Recording by 刘紫玲.

Recording identifiers

ISRC
HKG732124089
CopyrightID (CopyrightChains transaction hash)
0xd48301e0d7b4fedbe8f9f9acf93009d0b39d83f717391ce334cca0759537e812
Copyright registration time
2026-07-06T22:12:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:fd3010da58ebfac70462c6d7a1e2cd9d2d32a2c6102205316286a3a87d6e6b1c

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.