Pith Number

pith:FCJFGSQY

pith:2019:FCJFGSQYAO7SNDMX44WTGQXQXM

not attested not anchored not stored refs pending

A bag-of-concepts model improves relation extraction in a narrow knowledge domain with limited data

Jiyu Chen, Karin Verspoor, Zenan Zhai

arxiv:1904.10743 v1 · 2019-04-24 · cs.LG · cs.CL · cs.IR · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCJFGSQYAO7SNDMX44WTGQXQXM}

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	2026-05-17T23:47:50.109276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2892534a1803bf268d97e72d3342f0bb2fe70c0ad1d22bd98f293363d47d7af8

Aliases

arxiv: 1904.10743 · arxiv_version: 1904.10743v1 · doi: 10.48550/arxiv.1904.10743 · pith_short_12: FCJFGSQYAO7S · pith_short_16: FCJFGSQYAO7SNDMX · pith_short_8: FCJFGSQY

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/FCJFGSQYAO7SNDMX44WTGQXQXM \
  | 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: 2892534a1803bf268d97e72d3342f0bb2fe70c0ad1d22bd98f293363d47d7af8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c73b0430986fae024d13ea7592045b436197ca00a794893bea56332c7cc44f6e",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-24T11:06:54Z",
    "title_canon_sha256": "266fbca62de71322148eeea23981688f557d417b6cab1bd4faf0b7b943302c04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10743",
    "kind": "arxiv",
    "version": 1
  }
}