第四者

Recording by Z-Chen.

Recording identifiers

ISRC
TWO170900005
CopyrightID (CopyrightChains transaction hash)
0xda9fac306cbc566211edd12f8e379afa85db3e06cbbb15c18fa43382a111a870
Copyright registration time
2026-07-07T13:43:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:9d52a2c1a570fff820d07fcfe7054399c3e2757fe2ac95e99eecd7b6c291a033

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.