溫習

Recording by Yuki Hsu.

Recording identifiers

ISRC
TWA459854609
CopyrightID (CopyrightChains transaction hash)
0x7b1b8165cb8fa4004c34c4fed24abb69f862e530838af6e9bde94d12e46b340e
Copyright registration time
2026-06-09T22:06:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:33c0b70d23f8436ad44ae7c9378472a52418c0988b04f217e74a311afd8f77fa

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.