关怀

Recording by 劉文正.

Recording identifiers

ISRC
SGUM72300134
CopyrightID (CopyrightChains transaction hash)
0xb436e692bc9361dad8c2da14000a8626c6494db282718d6ae46ab6f6c0bfa82a
Copyright registration time
2026-08-01T04:01:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:30:37Z
Bitcoin block
960509
Canonical record hash
sha256:4cc54256bc1eb5400e39885eac58cfd25377c976e2b5ceace40cdb111d529350

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.