Pith Number

pith:6PMTCRO5

pith:2026:6PMTCRO53VPEZBR2U4JX4JREVR

not attested not anchored not stored refs pending

Fisher-R1: Training LLM Agents for Reliable Hypothesis Testing

Guanhua Chen, James Zou, Jiacheng Miao, Jin Mu

arxiv:2608.07437 v1 · 2026-08-07 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PMTCRO53VPEZBR2U4JX4JREVR}

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	2026-08-10T01:15:23.641810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3d93145dddd5e4c863aa7137e2624ac4e8060798d62ae30760a1a5b5e71df6a

Aliases

arxiv: 2608.07437 · arxiv_version: 2608.07437v1 · doi: 10.48550/arxiv.2608.07437 · pith_short_12: 6PMTCRO53VPE · pith_short_16: 6PMTCRO53VPEZBR2 · pith_short_8: 6PMTCRO5

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/6PMTCRO53VPEZBR2U4JX4JREVR \
  | 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: f3d93145dddd5e4c863aa7137e2624ac4e8060798d62ae30760a1a5b5e71df6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b3d626d3abd5b0773cd076e1891de7e35d156e1ca8410dbdb9718d432e31fc7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-07T17:22:00Z",
    "title_canon_sha256": "be6c2db6933561c1addda8dbc14fe3fb328d0147db0bf900b5176e6444f58d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07437",
    "kind": "arxiv",
    "version": 1
  }
}