Pith Number

pith:2D2632AB

pith:2017:2D2632ABVUZL52Z4DIJFWPRCPE

not attested not anchored not stored refs pending

Real-time On-Demand Crowd-powered Entity Extraction

Jeffrey P. Bigham, Ting-Hao 'Kenneth' Huang, Yun-Nung Chen

arxiv:1704.03627 v2 · 2017-04-12 · cs.HC · 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{2D2632ABVUZL52Z4DIJFWPRCPE}

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	2026-05-18T00:28:40.923485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0f5ede801ad32beeb3c1a125b3e227912a1b411c40cd955b351a45a187a0991

Aliases

arxiv: 1704.03627 · arxiv_version: 1704.03627v2 · doi: 10.48550/arxiv.1704.03627 · pith_short_12: 2D2632ABVUZL · pith_short_16: 2D2632ABVUZL52Z4 · pith_short_8: 2D2632AB

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/2D2632ABVUZL52Z4DIJFWPRCPE \
  | 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: d0f5ede801ad32beeb3c1a125b3e227912a1b411c40cd955b351a45a187a0991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37fea781e4892b96f5e8e6185cd748e96bf77796bbc96cabeb1c60d5566632ca",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2017-04-12T05:48:18Z",
    "title_canon_sha256": "d7511612c502895ded37489bddf9a32cbbc3e1502c434695c1d51605b83d5ac4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03627",
    "kind": "arxiv",
    "version": 2
  }
}