幽幽兰芳

Recording by 杨秉音.

Recording identifiers

ISRC
HKD012293251
CopyrightID (CopyrightChains transaction hash)
0x156f54d2ed186601bc48a78066c422d42204bfa4dfb16ec3bf2df0e0b47d97a8
Copyright registration time
2026-07-06T10:17:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:c51f596dd11e9d476c002ac93df5ed8131f673d38cef994eb9898461ce30c371

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.