Pith Number

pith:5PGL2F55

pith:2018:5PGL2F55RGVQZS5UFCL5HFWHZ6

not attested not anchored not stored refs pending

Finding Similar Medical Questions from Question Answering Websites

Chenwei Zhang, Chuishi Meng, Jing Gao, Liuyi Yao, Nan Du, Qi Li, Wei Fan, Yaliang Li

arxiv:1810.05983 v1 · 2018-10-14 · cs.AI · 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{5PGL2F55RGVQZS5UFCL5HFWHZ6}

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	2026-05-18T00:03:21.788069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebccbd17bd89ab0ccbb42897d396c7cf991882458fd18eb6b3a184b3632ed520

Aliases

arxiv: 1810.05983 · arxiv_version: 1810.05983v1 · doi: 10.48550/arxiv.1810.05983 · pith_short_12: 5PGL2F55RGVQ · pith_short_16: 5PGL2F55RGVQZS5U · pith_short_8: 5PGL2F55

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/5PGL2F55RGVQZS5UFCL5HFWHZ6 \
  | 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: ebccbd17bd89ab0ccbb42897d396c7cf991882458fd18eb6b3a184b3632ed520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed1fb53cd2a469311647372e1571b9ecd3d36b347fd8fd14c840088933857423",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-10-14T06:34:18Z",
    "title_canon_sha256": "faeba45a206086e914b4878b77e87eedbc7573d68fe8d0c5e88185aea771b3d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05983",
    "kind": "arxiv",
    "version": 1
  }
}