Pith Number

pith:YOLMRNL6

pith:2018:YOLMRNL6MAETEMYCUQVM5C5XVE

not attested not anchored not stored refs pending

POIReviewQA: A Semantically Enriched POI Retrieval and Question Answering Dataset

Cheng He, Gengchen Mai, Krzysztof Janowicz, Ni Lao, Sumang Liu

arxiv:1810.02802 v1 · 2018-10-05 · cs.AI · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YOLMRNL6MAETEMYCUQVM5C5XVE}

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	2026-05-18T00:04:00.616104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c396c8b57e6009323302a42ace8bb7a918544a84796a3d11c455c280de84f950

Aliases

arxiv: 1810.02802 · arxiv_version: 1810.02802v1 · doi: 10.48550/arxiv.1810.02802 · pith_short_12: YOLMRNL6MAET · pith_short_16: YOLMRNL6MAETEMYC · pith_short_8: YOLMRNL6

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/YOLMRNL6MAETEMYCUQVM5C5XVE \
  | 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: c396c8b57e6009323302a42ace8bb7a918544a84796a3d11c455c280de84f950

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "652dd889c65a8784b504ea3eebeca139cdf5291dc94e3f8ff629db28efb42a42",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-10-05T17:37:37Z",
    "title_canon_sha256": "730937f815751122592308d39e9a558514be710266be87e9df4d299ed5bd7a3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02802",
    "kind": "arxiv",
    "version": 1
  }
}