Pith Number

pith:3N4PBJGA

pith:2019:3N4PBJGAXDZECRED4XQ5Q335SA

not attested not anchored not stored refs pending

Fine-grained Entity Recognition with Reduced False Negatives and Large Type Coverage

Abhishek Abhishek, Amit Awekar, Ashish Anand, Garima Malik, Sanya Bathla Taneja

arxiv:1904.13178 v1 · 2019-04-30 · 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{3N4PBJGAXDZECRED4XQ5Q335SA}

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	2026-05-17T23:47:22.001814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db78f0a4c0b8f2414483e5e1d86f7d902353677f06523f1f04ce4129baa089fa

Aliases

arxiv: 1904.13178 · arxiv_version: 1904.13178v1 · doi: 10.48550/arxiv.1904.13178 · pith_short_12: 3N4PBJGAXDZE · pith_short_16: 3N4PBJGAXDZECRED · pith_short_8: 3N4PBJGA

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/3N4PBJGAXDZECRED4XQ5Q335SA \
  | 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: db78f0a4c0b8f2414483e5e1d86f7d902353677f06523f1f04ce4129baa089fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfcb4794535a798cb5aab2be0d595d600f34c1ab127ca5c92ab1f2819d0274fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-30T11:51:52Z",
    "title_canon_sha256": "a7eb95bd74426b75a706bc281156b9e773ec13dd2e60fab30ec3904008c0636b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13178",
    "kind": "arxiv",
    "version": 1
  }
}