Pith Number

pith:PQTWY5UG

pith:2026:PQTWY5UGTSWCIT5MNZXKI3NDBY

not attested not anchored not stored refs pending

Do AI Agents Know When a Task Is Simple? Toward Complexity-Aware Reasoning and Execution

Junjie Yin, Xinyu Feng

arxiv:2607.13034 v1 · 2026-07-14 · cs.AI · cs.CL · cs.SE · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQTWY5UGTSWCIT5MNZXKI3NDBY}

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	2026-07-15T01:22:32.683991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c276c76869cac244fac6e6ea46da30e29a4f3bcffc0746f1155e5ade901dfda

Aliases

arxiv: 2607.13034 · arxiv_version: 2607.13034v1 · doi: 10.48550/arxiv.2607.13034 · pith_short_12: PQTWY5UGTSWC · pith_short_16: PQTWY5UGTSWCIT5M · pith_short_8: PQTWY5UG

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/PQTWY5UGTSWCIT5MNZXKI3NDBY \
  | 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: 7c276c76869cac244fac6e6ea46da30e29a4f3bcffc0746f1155e5ade901dfda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "962ab2ba128b2d9018b1ca8e1afeaa7b8037c9fe1bd750c3d1ab71ae9bc07a95",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.SE",
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-14T17:59:31Z",
    "title_canon_sha256": "f3f0fda4176d7816d7695d84979cb47afb3719e2824345adb8c0abfea3d66885"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13034",
    "kind": "arxiv",
    "version": 1
  }
}