Pith Number

pith:BQK2UZFP

pith:2018:BQK2UZFPKRKUBDKIZXVELNZ6KU

not attested not anchored not stored refs pending

Weakly-supervised Contextualization of Knowledge Graph Facts

Abhinav Khaitan, Edgar Meij, Giorgio Stefanoni, Maarten de Rijke, Miles Osborne, Nikos Voskarides, Prabhanjan Kambadur, Ridho Reinanda

arxiv:1805.02393 v2 · 2018-05-07 · cs.IR · 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{BQK2UZFPKRKUBDKIZXVELNZ6KU}

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	2026-05-18T00:11:17.392880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c15aa64af5455408d48cdea45b73e5523e7c4b114d5741945e519ed9038521f

Aliases

arxiv: 1805.02393 · arxiv_version: 1805.02393v2 · doi: 10.48550/arxiv.1805.02393 · pith_short_12: BQK2UZFPKRKU · pith_short_16: BQK2UZFPKRKUBDKI · pith_short_8: BQK2UZFP

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/BQK2UZFPKRKUBDKIZXVELNZ6KU \
  | 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: 0c15aa64af5455408d48cdea45b73e5523e7c4b114d5741945e519ed9038521f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b2e041ece5bd5b88fca1c8e9b14a3cbdfe88ceb330957c7b3c5e61d9d96138b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-05-07T08:22:57Z",
    "title_canon_sha256": "b476d728c7317047973574a5c65f97a33c455699ca18b36bbc09353b999cb311"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02393",
    "kind": "arxiv",
    "version": 2
  }
}