地下鐵

Recording by Yida Huang.

Recording identifiers

ISRC
TWA470416001
CopyrightID (CopyrightChains transaction hash)
0xa659bfc60c95255bd4b060d69b9dabca8176af4b7313eebaf43f5001cba165a8

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T00:40:43Z
Bitcoin block
960489
Canonical record hash
sha256:cf520a4f003e920fd2c2fe39ce2c676b8a65a44d05455914fc61c8c1131198c0

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.