Pith Number

pith:IDOVXGUG

pith:2026:IDOVXGUG4ZUR73KONLF7FL4OVH

not attested not anchored not stored refs pending

CHILL-Harness: Counterfactual Harness Learning for Efficient Reasoning in Long-Horizon Agents

Chunhui Zhang, Guoren Wang, Honglei Xin, Jiarun Fu, Lizhong Ding, Pengqi Li, Qiuning Wei, Sida Chen, Ye Yuan

arxiv:2607.25825 v1 · 2026-07-28 · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDOVXGUG4ZUR73KONLF7FL4OVH}

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	2026-07-29T01:26:05.092586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40dd5b9a86e6691fed4e6acbf2af8ea9c55b23abd518acb87bcff0d25ee53181

Aliases

arxiv: 2607.25825 · arxiv_version: 2607.25825v1 · doi: 10.48550/arxiv.2607.25825 · pith_short_12: IDOVXGUG4ZUR · pith_short_16: IDOVXGUG4ZUR73KO · pith_short_8: IDOVXGUG

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/IDOVXGUG4ZUR73KONLF7FL4OVH \
  | 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: 40dd5b9a86e6691fed4e6acbf2af8ea9c55b23abd518acb87bcff0d25ee53181

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "333c947fc3c9e1c76990a08d17a1780e1417f331e88029e196dabb7e81303937",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2026-07-28T15:06:00Z",
    "title_canon_sha256": "b52716d3bd3480932d047c1007f980f9755ae9e1e5c859d7460e513d1968ec75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25825",
    "kind": "arxiv",
    "version": 1
  }
}