过期的咖啡

Recording by 夏婉安.

Recording identifiers

ISRC
DGA082444165
CopyrightID (CopyrightChains transaction hash)
0x89b99ab0935f0726525dcb4e2b75062ba2f27d817860cb5d3007f6a10b6fd240
Copyright registration time
2026-07-07T23:41:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:63a07ace65af21083f11187556c9a04415882789e5c854ca688962dddabca518

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.