问剑

Recording by 董真.

Recording identifiers

ISRC
HKG732271213
CopyrightID (CopyrightChains transaction hash)
0xdc596035a51489e311ccc55e5f8437ece834efb1fc1302aaf04cd130ebad612a
Copyright registration time
2026-07-07T17:42:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:8f66ea32d629d7a4cdd07dad80bb37bf5171b2ff457cdedc6a61c6722568c615

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.