就這樣

Recording by 四個朋友.

Recording identifiers

ISRC
TWC611310210
CopyrightID (CopyrightChains transaction hash)
0x2ccdfd139226b5c510d8b9ebda75e39449a4f49a6d987692450aaef151f4e71e
Copyright registration time
2026-07-07T09:30:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:81404fadb758aa8c8f4fa9a048fd6f34fb0fb4a4595d1114af6f500b61c39bad

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.