Pith Number

pith:OSPG5CNL

pith:2017:OSPG5CNLLX3S6TJYP57XORBK3Q

not attested not anchored not stored refs pending

Generalisation in Named Entity Recognition: A Quantitative Analysis

Isabelle Augenstein, Kalina Bontcheva, Leon Derczynski

arxiv:1701.02877 v2 · 2017-01-11 · 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{OSPG5CNLLX3S6TJYP57XORBK3Q}

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	2026-05-18T00:49:06.324890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

749e6e89ab5df72f4d387f7f77442adc056254b0c12352e020d0c2ae2b6b4812

Aliases

arxiv: 1701.02877 · arxiv_version: 1701.02877v2 · doi: 10.48550/arxiv.1701.02877 · pith_short_12: OSPG5CNLLX3S · pith_short_16: OSPG5CNLLX3S6TJY · pith_short_8: OSPG5CNL

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/OSPG5CNLLX3S6TJYP57XORBK3Q \
  | 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: 749e6e89ab5df72f4d387f7f77442adc056254b0c12352e020d0c2ae2b6b4812

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5b5ce3cc41c4e175af9ddaab904d44a3219995da5624c06c7d6401edba19e92",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-01-11T08:02:40Z",
    "title_canon_sha256": "0e888680daf587aae36157758efe09e7580f71819ac0061de68cef23eb79fca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02877",
    "kind": "arxiv",
    "version": 2
  }
}