彼時

Recording by Zhang Bichen.

Recording identifiers

ISRC
TWD251950320
CopyrightID (CopyrightChains transaction hash)
0x17465491aac138b6049e86a5c3b2e8af9b30bcff5e30fce28f3ca551d513f9e6
Copyright registration time
2026-06-08T21:49:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:db96719fabaf5193ef63bdc38f178d64451d7a1f004c045b7f138199f9956574

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.