Pith Number

pith:F2TATNUN

pith:2026:F2TATNUNVYKIL5KXYLRUKIK5YB

not attested not anchored not stored refs pending

A Diagnostic Framework for AI Agent Behavior

Tianshu Sun, Xichen Zhang, Yingjie Zhang

arxiv:2607.17149 v1 · 2026-07-19 · cs.AI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2TATNUNVYKIL5KXYLRUKIK5YB}

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	2026-07-21T01:21:18.176973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ea609b68dae1485f557c2e345215dc04a419a134ce01815829e37b9092d191b

Aliases

arxiv: 2607.17149 · arxiv_version: 2607.17149v1 · doi: 10.48550/arxiv.2607.17149 · pith_short_12: F2TATNUNVYKI · pith_short_16: F2TATNUNVYKIL5KX · pith_short_8: F2TATNUN

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/F2TATNUNVYKIL5KXYLRUKIK5YB \
  | 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: 2ea609b68dae1485f557c2e345215dc04a419a134ce01815829e37b9092d191b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59e1c3a3bc94c498bed32d4c1a8c37e04d68c961a0fad5ab00e98c9427c73b5f",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-19T09:14:27Z",
    "title_canon_sha256": "5e5f4b4bd63a890f88781fcd679e5f77549d4085671edffad9f60c253fb2987e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17149",
    "kind": "arxiv",
    "version": 1
  }
}