城市荒岛

Recording by 于昊洋.

Recording identifiers

ISRC
HKG732139406
CopyrightID (CopyrightChains transaction hash)
0x1482f3f0e102e7b05634b1587e97a7c60d0457d6301c818e1637d3db47b35148
Copyright registration time
2026-07-31T05:00:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:f27a84c3c87ad8168ffb647149a26cccb36fa4eeb53d9e6b93c0f5c4bcb85dee

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.