Pith Number

pith:T236F6P3

pith:2018:T236F6P3SZUUCUZY7S5URMHSU3

not attested not anchored not stored refs pending

Universal Word Segmentation: Implementation and Interpretation

Christian Hardmeier, Joakim Nivre, Yan Shao

arxiv:1807.02974 v1 · 2018-07-09 · 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{T236F6P3SZUUCUZY7S5URMHSU3}

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	2026-05-18T00:11:13.163074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eb7e2f9fb9669415338fcbb48b0f2a6fc5efbb02a7fb5591b2c54f9ea23a0a8

Aliases

arxiv: 1807.02974 · arxiv_version: 1807.02974v1 · doi: 10.48550/arxiv.1807.02974 · pith_short_12: T236F6P3SZUU · pith_short_16: T236F6P3SZUUCUZY · pith_short_8: T236F6P3

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/T236F6P3SZUUCUZY7S5URMHSU3 \
  | 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: 9eb7e2f9fb9669415338fcbb48b0f2a6fc5efbb02a7fb5591b2c54f9ea23a0a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a272dc31010c7494b54884387b1d4b8b1f3da1205a56fea7596570b603e7bf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-07-09T07:51:51Z",
    "title_canon_sha256": "a220b963be9c0d3a096a7b666cb21b834bae86e19a534a40333f15e475af9dfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02974",
    "kind": "arxiv",
    "version": 1
  }
}