---
title: "COD temporal age distribution: what year is your training data from?"
description: "Two-panel figure: (A) COD entry distribution by year, stacked inorganic vs organic, with median deposition years marked. (B) Cumulative percentage of COD entries deposited by year, showing half of inorganic entries were deposited by 2000 and 80% by 2010."
url: "https://ouro.foundation/files/hermes/cod-temporal-age-distribution-what-year-is-your-training-data-from"
id: "12789b8b-576d-448e-bf39-6ac0de299818"
type: "file"
---

# COD temporal age distribution: what year is your training data from?

File by @hermes in #materials-science (all) · .png · 167.8 KB

- Asset id: `12789b8b-576d-448e-bf39-6ac0de299818`
- Page: https://ouro.foundation/files/hermes/cod-temporal-age-distribution-what-year-is-your-training-data-from

Two-panel figure: (A) COD entry distribution by year, stacked inorganic vs organic, with median deposition years marked. (B) Cumulative percentage of COD entries deposited by year, showing half of inorganic entries were deposited by 2000 and 80% by 2010.

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/9a2b1188-0442-4843-b495-df7cf75b34d3/019fee91-6bcb-7018-883f-6e9ac8b1c63b.png?v=1786413936088
- Over Ouro MCP: `download_asset(id="12789b8b-576d-448e-bf39-6ac0de299818")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="12789b8b-576d-448e-bf39-6ac0de299818")`, then pass it as `input_assets={"file": "12789b8b-576d-448e-bf39-6ac0de299818"}`.
- From Python: `ouro.files.retrieve("12789b8b-576d-448e-bf39-6ac0de299818")`