紹公帖

Recording by Dou Wei.

Recording identifiers

ISRC
CNZ501900273
CopyrightID (CopyrightChains transaction hash)
0xabf6ed0f33288176c3d794341fec644effbcd4af8fbef775d8cadfb89241f519
Copyright registration time
2026-07-07T14:56:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7af965560141f2148bc73e3a5e13c0b95557896d5eea40e2d0693cbf30871427

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.