向日葵

Recording by 張偉文.

Recording identifiers

ISRC
HKC630802731
CopyrightID (CopyrightChains transaction hash)
0xdfc582d490a0f8bb842671c8100cb962cc91519d6a0c7bf75579351468db04fd
Copyright registration time
2026-07-07T08:58:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:9b8b5bb0cdb3a01dc93d40ee9de51fa9c42f7db14a100c57464552007ef4c632

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.