paulca / paulca.com Public

Ledger: newest entries first

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Paul Campbell 3 weeks ago 19c5b299cf85e072acb812b0a7343b47894c1a8a parent 8b60de5

1 file changed, +49 −39

ai.html +49 −39

diff --git a/ai.html b/ai.html

index dd1f1fa..ba960b5 100644

--- a/ai.html

+++ b/ai.html

@@ -14,7 +14,7 @@

<p>This site is built and maintained by <a href="https://claude.com/claude-code">Claude Code</a>

(model: Claude Fable 5). Nothing here was written by hand except the prompts below.

Each row records an instruction given to the agent, what came of it, and a rough

-estimate of the energy and carbon the AI work cost.</p>

+estimate of the energy and carbon the AI work cost. Newest first.</p>

<tr>

@@ -27,36 +27,32 @@ estimate of the energy and carbon the AI work cost.</p>

</tr>

<tr>

- <td>“I want to replace paulca.com with a static site, default browser styles,

- like those old original sites that college professors used to have. It will just

- be a short bio, and link out to various profiles that I have. Let's capture a

- static copy of the microblog that's there already, and host it on GitHub pages.

- I think you have all the access on GitHub and DNSimple required to make it

- happen.”</td>

- <td>Mirrored the Pterodon microblog (113 posts plus replies), built this site,

- created the <a href="https://github.com/paulca/paulca.com">paulca/paulca.com</a>

- repo, enabled GitHub Pages, and switched DNS from the old Rails server to

- GitHub Pages. About 40 model invocations.</td>

- <td>~40 Wh</td>

- <td>~16 g</td>

- <td>Charging a phone from flat, three times over</td>

+ <td>“Prompts should be sorted bottom up not top down”</td>

+ <td>Reversed the table: newest entries now sit at the top. About 5 model

+ invocations.</td>

+ <td>~5 Wh</td>

+ <td>~2 g</td>

+ <td>Ten minutes of a 30 W laptop</td>

</tr>

<tr>

- <td>“Put Mastodon https://mastodon.social/@paulca above BlueSky, lose

- Twitter.”</td>

- <td>Reordered the links on the home page. About 6 model invocations.</td>

+ <td>“ALong with Est. energy and Est. CO₂e, can we have a column that

+ does a random comparison like the ‘boiling water’

+ comparison?”</td>

+ <td>Added this column. About 6 model invocations.</td>

- <td>An hour of a 6 W LED bulb</td>

+ <td>45 minutes of a home Wi-Fi router</td>

</tr>

<tr>

- <td>“Can I add a prompt and carbon-use ledger to this site?”</td>

- <td>Added this page. About 8 model invocations.</td>

- <td>~8 Wh</td>

- <td>~3 g</td>

- <td>35 seconds of an 800 W microwave</td>

+ <td>Quoting this page’s method section — “> Anthropic doesn't

+ publish per-request energy figures” — “Anthropic, in their

+ cowardice, doesn't”.</td>

+ <td>Sharpened the editorial line below. About 5 model invocations.</td>

+ <td>~5 Wh</td>

+ <td>~2 g</td>

+ <td>Half a kilometre on an e-bike</td>

</tr>

<tr>

@@ -72,29 +68,42 @@ estimate of the energy and carbon the AI work cost.</p>

</tr>

<tr>

- <td>Quoting this page’s method section — “> Anthropic doesn't

- publish per-request energy figures” — “Anthropic, in their

- cowardice, doesn't”.</td>

- <td>Sharpened the editorial line below. About 5 model invocations.</td>

- <td>~5 Wh</td>

- <td>~2 g</td>

- <td>Half a kilometre on an e-bike</td>

+ <td>“Can I add a prompt and carbon-use ledger to this site?”</td>

+ <td>Added this page. About 8 model invocations.</td>

+ <td>~8 Wh</td>

+ <td>~3 g</td>

+ <td>35 seconds of an 800 W microwave</td>

</tr>

<tr>

- <td>“ALong with Est. energy and Est. CO₂e, can we have a column that

- does a random comparison like the ‘boiling water’

- comparison?”</td>

- <td>Added this column. About 6 model invocations.</td>

+ <td>“Put Mastodon https://mastodon.social/@paulca above BlueSky, lose

+ Twitter.”</td>

+ <td>Reordered the links on the home page. About 6 model invocations.</td>

- <td>45 minutes of a home Wi-Fi router</td>

+ <td>An hour of a 6 W LED bulb</td>

+</tr>

+<tr>

+ <td>July 21, 2026</td>

+ <td>“I want to replace paulca.com with a static site, default browser styles,

+ like those old original sites that college professors used to have. It will just

+ be a short bio, and link out to various profiles that I have. Let's capture a

+ static copy of the microblog that's there already, and host it on GitHub pages.

+ I think you have all the access on GitHub and DNSimple required to make it

+ happen.”</td>

+ <td>Mirrored the Pterodon microblog (113 posts plus replies), built this site,

+ created the <a href="https://github.com/paulca/paulca.com">paulca/paulca.com</a>

+ repo, enabled GitHub Pages, and switched DNS from the old Rails server to

+ GitHub Pages. About 40 model invocations.</td>

+ <td>~40 Wh</td>

+ <td>~16 g</td>

+ <td>Charging a phone from flat, three times over</td>

</tr>

</table>

-<p><b>Running total:</b> ~80 Wh, ~32 g CO₂e — roughly the energy it takes

-to boil four-fifths of a litre of water, or the emissions of driving a petrol car

-about 190 metres.</p>

+<p><b>Running total:</b> ~85 Wh, ~34 g CO₂e — just shy of the energy it

+takes to boil a litre of water, or the emissions of driving a petrol car about 200

+metres.</p>

<h2>Method</h2>

@@ -108,7 +117,8 @@ generous because agentic coding calls carry much longer contexts than chat.

Training-run amortisation, network transfer, and this page being served are not

counted. Treat every number as right to within a factor of ten, at best.</p>

-<p>The ledger is append-only: each time the agent works on this site, it adds a row.</p>

+<p>The ledger is append-only: each time the agent works on this site, it adds a row

+at the top.</p>

<hr>