Pith Number

pith:H6SYLBHC

pith:2021:H6SYLBHC5ALLFDNGSGOY4WYMZK

not attested not anchored not stored refs pending

Named entity recognition architecture combining contextual and global features

Antoine Doucet, Jose G. Moreno, Nicolas Sidere, Senja Pollak, Tran Thi Hong Hanh

arxiv:2112.08033 v1 · 2021-12-15 · 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{H6SYLBHC5ALLFDNGSGOY4WYMZK}

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	2026-07-05T03:41:09.943969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fa58584e2e816b28da6919d8e5b0ccaa60191c105ef8976df7f63071258e9c2

Aliases

arxiv: 2112.08033 · arxiv_version: 2112.08033v1 · doi: 10.48550/arxiv.2112.08033 · pith_short_12: H6SYLBHC5ALL · pith_short_16: H6SYLBHC5ALLFDNG · pith_short_8: H6SYLBHC

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/H6SYLBHC5ALLFDNGSGOY4WYMZK \
  | 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: 3fa58584e2e816b28da6919d8e5b0ccaa60191c105ef8976df7f63071258e9c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40c2611fbcd7518a840204b3af41917218cc77ca75d5c25b79ed68f07a967e64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-12-15T10:54:36Z",
    "title_canon_sha256": "fbad614593d5ac71278c4d23768e12028dacc57d316105e07017f5b48ef7a934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.08033",
    "kind": "arxiv",
    "version": 1
  }
}