Pith Number

pith:HWD2LSNE

pith:2019:HWD2LSNEC4ER42FXP6VDUET7BG

not attested not anchored not stored refs pending

A Grounded Unsupervised Universal Part-of-Speech Tagger for Low-Resource Languages

Heng Ji, Jonathan May, Ronald Cardenas, Ying Lin

arxiv:1904.05426 v1 · 2019-04-10 · cs.CL · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWD2LSNEC4ER42FXP6VDUET7BG}

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	2026-05-17T23:48:49.557852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d87a5c9a417091e68b77faa3a127f0992b5b1d3bbc264c5b786757850fc00b3

Aliases

arxiv: 1904.05426 · arxiv_version: 1904.05426v1 · doi: 10.48550/arxiv.1904.05426 · pith_short_12: HWD2LSNEC4ER · pith_short_16: HWD2LSNEC4ER42FX · pith_short_8: HWD2LSNE

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/HWD2LSNEC4ER42FXP6VDUET7BG \
  | 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: 3d87a5c9a417091e68b77faa3a127f0992b5b1d3bbc264c5b786757850fc00b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f344c34413f0513e6f77af9a781654de4f5d840e230016c5b333aec82f3979e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-10T20:22:31Z",
    "title_canon_sha256": "a57ecc0f5888081f4199d9c40cf1c65c20b2e369be1fec91f5cdec2b4ba29e6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05426",
    "kind": "arxiv",
    "version": 1
  }
}