偶然

Recording by Zhang Qing Fang.

Recording identifiers

ISRC
TWA239100069
CopyrightID (CopyrightChains transaction hash)
0x5606027b34252c17469a7ed5d2b726d7a3d5aeae86eb1648b539ebe31d39d0db
Copyright registration time
2026-06-07T16:04:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:e21a8bcb64d5914195bbe989a79b9660ad34885e88ddeb9e3ac99e4efd051efd

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.