Pith Number

pith:QMKMHAXG

pith:2017:QMKMHAXG73UISZAXHFJI37DYTT

not attested not anchored not stored refs pending

Fast and Accurate Entity Recognition with Iterated Dilated Convolutions

Andrew McCallum, David Belanger, Emma Strubell, Patrick Verga

arxiv:1702.02098 v3 · 2017-02-07 · 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{QMKMHAXG73UISZAXHFJI37DYTT}

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	2026-05-18T00:39:46.898174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8314c382e6fee889641739528dfc789cf6aa7099fd72de8c3398c20ff5e57d18

Aliases

arxiv: 1702.02098 · arxiv_version: 1702.02098v3 · doi: 10.48550/arxiv.1702.02098 · pith_short_12: QMKMHAXG73UI · pith_short_16: QMKMHAXG73UISZAX · pith_short_8: QMKMHAXG

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/QMKMHAXG73UISZAXHFJI37DYTT \
  | 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: 8314c382e6fee889641739528dfc789cf6aa7099fd72de8c3398c20ff5e57d18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38d0649cfa1c3e9c88fd12c52c3f84cd4b0e98c5ab37aa035e7001074dbb8b4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-02-07T16:58:18Z",
    "title_canon_sha256": "4a1474a10567d71467127bda0d2198ae0f801e81022e34bd88dd76fc2556def1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02098",
    "kind": "arxiv",
    "version": 3
  }
}