Pith Number

pith:U7UXNDRF

pith:2018:U7UXNDRFHROSPQYMMYB57C44XR

not attested not anchored not stored refs pending

Labeling Gaps Between Words: Recognizing Overlapping Mentions with Mention Separators

Aldrian Obaja Muis, Wei Lu

arxiv:1810.09073 v1 · 2018-10-22 · 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{U7UXNDRFHROSPQYMMYB57C44XR}

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	2026-05-18T00:02:41.085683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7e9768e253c5d27c30c6603df8b9cbc60c6637555da8847f2d730f7ea55d384

Aliases

arxiv: 1810.09073 · arxiv_version: 1810.09073v1 · doi: 10.48550/arxiv.1810.09073 · pith_short_12: U7UXNDRFHROS · pith_short_16: U7UXNDRFHROSPQYM · pith_short_8: U7UXNDRF

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/U7UXNDRFHROSPQYMMYB57C44XR \
  | 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: a7e9768e253c5d27c30c6603df8b9cbc60c6637555da8847f2d730f7ea55d384

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d924f356fbb8ce47fb9d95b5bf4f724e6bdaea625b4a1cd5e729480912e6b10",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-10-22T03:38:23Z",
    "title_canon_sha256": "91c627c0a097a061593178b39d13eb0655965d8825a9da92a518d07677850691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09073",
    "kind": "arxiv",
    "version": 1
  }
}