The City

Recording by Jon Mark.

Recording identifiers

ISRC
USGR10500630
CopyrightID (CopyrightChains transaction hash)
0xef3758cb7dc65aab20e3b5b5648ffee0ca562da3a4b1403a102c8d9425e9e522
Copyright registration time
2026-06-08T21:58:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ef43aa738048f8f7a472063c4af9b47132154ee144fd2310572ac64d082c9f50

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.