Pith Number

pith:XKB45ZKZ

pith:2025:XKB45ZKZUTCRDF57FQAKOY2L2X

not attested not anchored not stored refs pending

LR^2Bench: Evaluating Long-chain Reflective Reasoning Capabilities of Large Language Models via Constraint Satisfaction Problems

Jiajun Zhang, Jianghao Chen, Zhenjiang Ren, Zhenlin Wei, Ziyong Li

arxiv:2502.17848 v4 · 2025-02-25 · 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{XKB45ZKZUTCRDF57FQAKOY2L2X}

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

1 paper in Pith

PuzzleClone: A DSL-Powered Framework for Synthesizing Verifiable Data

Receipt and verification

First computed	2026-07-05T11:26:48.184450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba83cee559a4c51197bf2c00a7634bd5e8cd3c836d933a0b89966103e026a9fa

Aliases

arxiv: 2502.17848 · arxiv_version: 2502.17848v4 · doi: 10.48550/arxiv.2502.17848 · pith_short_12: XKB45ZKZUTCR · pith_short_16: XKB45ZKZUTCRDF57 · pith_short_8: XKB45ZKZ

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/XKB45ZKZUTCRDF57FQAKOY2L2X \
  | 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: ba83cee559a4c51197bf2c00a7634bd5e8cd3c836d933a0b89966103e026a9fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac9e9c3705655cb80e6bded8a7dcb99321724bc4215f515dab7b3e8e74bb5f51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-25T04:51:17Z",
    "title_canon_sha256": "f17b0d6e42c04ec44fd31394832cea322cc0b32ad9b77a58b7938f10bf1ec13c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.17848",
    "kind": "arxiv",
    "version": 4
  }
}