1949

Recording by 張燕清.

Recording identifiers

ISRC
TWK871200302
CopyrightID (CopyrightChains transaction hash)
0xa7b92820bbd85b8324ea2503afc9127d82c5ddc20e59609f704a345af6502fd7
Copyright registration time
2026-07-30T20:29:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:45:02Z
Bitcoin block
960311
Canonical record hash
sha256:4d1c2ae462bbae98ca6d1570a1dac5930cfa3370cb54186108389ef28e475a0b

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.