Pith Number

pith:2G42C66C

pith:2019:2G42C66CGTNGFBKUMHVCXQOPYE

not attested not anchored not stored refs pending

Feature-Less End-to-End Nested Term Extraction

Yu Yuan, Yuze Gao

arxiv:1908.05426 v1 · 2019-08-15 · cs.CL · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2G42C66CGTNGFBKUMHVCXQOPYE}

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	2026-07-05T00:03:00.530575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1b9a17bc234da62855461ea2bc1cfc10c12f59274bdb9b31502830ba517a2e4

Aliases

arxiv: 1908.05426 · arxiv_version: 1908.05426v1 · doi: 10.48550/arxiv.1908.05426 · pith_short_12: 2G42C66CGTNG · pith_short_16: 2G42C66CGTNGFBKU · pith_short_8: 2G42C66C

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/2G42C66CGTNGFBKUMHVCXQOPYE \
  | 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: d1b9a17bc234da62855461ea2bc1cfc10c12f59274bdb9b31502830ba517a2e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67dc11003316d777e6ffe0c9db79364bfe2bdebfd429587a6376829bbb115205",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-15T05:38:14Z",
    "title_canon_sha256": "f3d58116741ef8addb2bbd3eaf1d5f71809bdcd0be1f3fc0041a4bc9a3b8db38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05426",
    "kind": "arxiv",
    "version": 1
  }
}