Pith Number

pith:FOGBG7G5

pith:2025:FOGBG7G5ZUBHAVFHM2NN7G365A

not attested not anchored not stored refs pending

Position: AI Evaluations Should be Grounded on a Theory of Capability

Ashia Wilson, Nathanael Jo

arxiv:2509.19590 v2 · 2025-09-23 · cs.AI · cs.CY · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOGBG7G5ZUBHAVFHM2NN7G365A}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-20T00:02:06.783851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b8c137cddcd027054a7669adf9b7ee8054fda2bff68e5f7d3d72df2bdde0b20

Aliases

arxiv: 2509.19590 · arxiv_version: 2509.19590v2 · doi: 10.48550/arxiv.2509.19590 · pith_short_12: FOGBG7G5ZUBH · pith_short_16: FOGBG7G5ZUBHAVFH · pith_short_8: FOGBG7G5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FOGBG7G5ZUBHAVFHM2NN7G365A \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2b8c137cddcd027054a7669adf9b7ee8054fda2bff68e5f7d3d72df2bdde0b20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a616569a2c9b35e25418b6c1434b2b99e59a28b1af59d94f36a008b7b8e16b1",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-09-23T21:29:04Z",
    "title_canon_sha256": "43e56e86c8510864e75456102bfc21fc7730ff77217a92a32e7aae8d019c7b9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.19590",
    "kind": "arxiv",
    "version": 2
  }
}