Pith Number

pith:P7X6JFZZ

pith:2025:P7X6JFZZ7FP23XMTJI2OOL2GA4

not attested not anchored not stored refs pending

POI-Enhancer: An LLM-based Semantic Enhancement Framework for POI Representation Learning

Jiahao Ji, Jiawei Cheng, Jingyuan Wang, Xiangyu Zhao, Yichuan Zhang, Yuanshao Zhu, Zhibo Zhang

arxiv:2502.10038 v2 · 2025-02-14 · 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{P7X6JFZZ7FP23XMTJI2OOL2GA4}

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	2026-07-05T10:23:29.400202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fefe49739f95faddd934a34e72f4607080fb5b7d424e4371c2b556b0074ca34

Aliases

arxiv: 2502.10038 · arxiv_version: 2502.10038v2 · doi: 10.48550/arxiv.2502.10038 · pith_short_12: P7X6JFZZ7FP2 · pith_short_16: P7X6JFZZ7FP23XMT · pith_short_8: P7X6JFZZ

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/P7X6JFZZ7FP23XMTJI2OOL2GA4 \
  | 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: 7fefe49739f95faddd934a34e72f4607080fb5b7d424e4371c2b556b0074ca34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e63adee9e04d666867acdddf56b159033dd041bc6af17b47b3b47dde39f3c521",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-02-14T09:34:24Z",
    "title_canon_sha256": "69e2f7108488b8e8badf062cab1c309113fbb064540f3cd4cae890424097935b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.10038",
    "kind": "arxiv",
    "version": 2
  }
}