往日的痕跡

Recording by 楊小萍.

Recording identifiers

ISRC
TWAN70760333
CopyrightID (CopyrightChains transaction hash)
0xdf154e894b61f4872a7feac5f2266ac488b8cba022f344e21b29a6c3191213e8
Copyright registration time
2026-07-30T22:02:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:fa8a20eb7eaa10e4e52630b307dbae9df5f3b273c5f6d70a48e6108a9f16d623

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.