還剩下什麼

Recording by Yu Quan.

Recording identifiers

ISRC
TWA450304405
CopyrightID (CopyrightChains transaction hash)
0xb33fa3fedc46adce04dca6668ca0d2ec4527021b2dd9cc41a67e2c39f5bc4fb5
Copyright registration time
2026-06-08T22:12:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:4f993bb20105f7a2097a93538a3dfecb6feb99bba8dcc40ccfefdb36e39986c5

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.