Pith Number

pith:HQEKQVD3

pith:2018:HQEKQVD3N4ITOB22HYK3K6RAWC

not attested not anchored not stored refs pending

A Knowledge Graph Based Solution for Entity Discovery and Linking in Open-Domain Questions

Bing Zhang, Dongyu Zhang, Kai Lei, Yang Deng, Ying Shen, Yong Liu

arxiv:1812.01889 v1 · 2018-12-05 · 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{HQEKQVD3N4ITOB22HYK3K6RAWC}

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	2026-05-17T23:59:00.320942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c08a8547b6f1137075a3e15b57a20b0bd07e17467561d4af34c7373d83b1779

Aliases

arxiv: 1812.01889 · arxiv_version: 1812.01889v1 · doi: 10.48550/arxiv.1812.01889 · pith_short_12: HQEKQVD3N4IT · pith_short_16: HQEKQVD3N4ITOB22 · pith_short_8: HQEKQVD3

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/HQEKQVD3N4ITOB22HYK3K6RAWC \
  | 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: 3c08a8547b6f1137075a3e15b57a20b0bd07e17467561d4af34c7373d83b1779

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec38d992d0d59ebfe0831ce72e26bde87fc78166f364c42aba054c363cd8fa49",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-12-05T10:10:56Z",
    "title_canon_sha256": "cabcaccb0e8db2f4837d5cf0e5a577962d5d696ce54b986ee8bf11d98b99f748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01889",
    "kind": "arxiv",
    "version": 1
  }
}