Pith Number

pith:MNCP5NJH

pith:2019:MNCP5NJH7KSW7W46IHN7X5SXKT

not attested not anchored not stored refs pending

Building a Massive Corpus for Named Entity Recognition using Free Open Data Sources

Daniel Specht Menezes, Pedro Savarese, Ruy Luiz Milidi\'u

arxiv:1908.05758 v1 · 2019-08-13 · cs.CL · 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{MNCP5NJH7KSW7W46IHN7X5SXKT}

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	2026-07-04T23:57:52.928427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6344feb527faa56fdb9e41dbfbf65754d4321e42d9945693d629e613861a87d6

Aliases

arxiv: 1908.05758 · arxiv_version: 1908.05758v1 · doi: 10.48550/arxiv.1908.05758 · pith_short_12: MNCP5NJH7KSW · pith_short_16: MNCP5NJH7KSW7W46 · pith_short_8: MNCP5NJH

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/MNCP5NJH7KSW7W46IHN7X5SXKT \
  | 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: 6344feb527faa56fdb9e41dbfbf65754d4321e42d9945693d629e613861a87d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52a0c3d32611c9bd0b71a5a22ea2ab6c159cd968810fff06daf22745064f0f94",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-13T03:47:03Z",
    "title_canon_sha256": "1405d5cbfff695e1f41d0655fe9707db92fb36ed14159fa15b1f0eab668d91a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05758",
    "kind": "arxiv",
    "version": 1
  }
}