Pith Number

pith:J4H33JMX

pith:2026:J4H33JMXFXGP245MYYU6D4XHRY

not attested not anchored not stored refs pending

Gecko: A Simulation Environment with Stateful Feedback for Refining Agent Tool Calls

Alexandros Apostolopoulos, Guohao Li, Liang Zheng, Yu Lin Lee, Zeyu Zhang, Zhenchang Xing

arxiv:2602.19218 v2 · 2026-02-22 · cs.SE · 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{J4H33JMXFXGP245MYYU6D4XHRY}

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	2026-06-10T01:09:56.905939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f0fbda5972dccfd73acc629e1f2e78e0f7b41520f0fdcfba43debfccfbbdfc5

Aliases

arxiv: 2602.19218 · arxiv_version: 2602.19218v2 · doi: 10.48550/arxiv.2602.19218 · pith_short_12: J4H33JMXFXGP · pith_short_16: J4H33JMXFXGP245M · pith_short_8: J4H33JMX

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/J4H33JMXFXGP245MYYU6D4XHRY \
  | 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: 4f0fbda5972dccfd73acc629e1f2e78e0f7b41520f0fdcfba43debfccfbbdfc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce7dbed8c60d55223aec7ca4b48f4533acfec991bc5f49d9aa976ac1905dbda9",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-02-22T15:02:00Z",
    "title_canon_sha256": "8fbeab545c06f1f4787463599f86af31b8b707bb6820a2b36d39e3e4d90695d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.19218",
    "kind": "arxiv",
    "version": 2
  }
}