Recording by 鄭智化.

Recording identifiers

ISRC
TWA539226707
CopyrightID (CopyrightChains transaction hash)
0xa5d45562ce5e968d31d0813f3179eff78c61f2cbde4c3963a4888a32dc37c9a9
Copyright registration time
2026-07-30T20:15:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:35:49Z
Bitcoin block
960309
Canonical record hash
sha256:31bc63d31f379de998b617929c039c7a93350964b7ef1b80466983478c43e5b1

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.