Pith Number

pith:F6JG4JIG

pith:2026:F6JG4JIGDFYD463EAQ66463QJM

not attested not anchored not stored refs pending

Recursive Models for Long-Horizon Reasoning

Chenxiao Yang, Nathan Srebro, Zhiyuan Li

arxiv:2603.02112 v2 · 2026-03-02 · cs.LG · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F6JG4JIGDFYD463EAQ66463QJM}

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.

Cited by

3 papers in Pith

Pseudo-Formalization for Automatic Proof Verification

The Complexity Ceiling Benchmark: A Multi-Domain Evaluation of Sequential Reasoning Under Depth Scaling

Pseudo-Formalization for Automatic Proof Verification

Receipt and verification

First computed	2026-07-03T01:17:18.168737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f926e250619703e7b64043dee7b704b0cd1117c66280a564b42873b17db040d

Aliases

arxiv: 2603.02112 · arxiv_version: 2603.02112v2 · doi: 10.48550/arxiv.2603.02112 · pith_short_12: F6JG4JIGDFYD · pith_short_16: F6JG4JIGDFYD463E · pith_short_8: F6JG4JIG

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/F6JG4JIGDFYD463EAQ66463QJM \
  | 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: 2f926e250619703e7b64043dee7b704b0cd1117c66280a564b42873b17db040d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9b9397fbbb6c66286f52c2cc7f80c5f3eec9109888484de33cd7518ef05d84",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-03-02T17:37:10Z",
    "title_canon_sha256": "d82e87cabe9b23ed1c2b2daf906f5776d905bece7e5a383b324b255e946d4a33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.02112",
    "kind": "arxiv",
    "version": 2
  }
}