The Silent City

Recording by Kayhan Kalhor.

Recording identifiers

ISRC
USSM10702149
CopyrightID (CopyrightChains transaction hash)
0x21ae08b482a9e977484431b6c2465620d8c71fb6292403dfe27511460787f6f2
Copyright registration time
2026-07-07T01:36:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:385480a47627baeec72571a7260cc5d90f6b7fb6f3119716104f56b1fd897ced

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.