Pith Number

pith:XVWRALDH

pith:2019:XVWRALDHKSFTV5VFPC2IUC67YV

not attested not anchored not stored refs pending

Categorical Metadata Representation for Customized Text Classification

Jihyeok Kim, Kyungjae Lee, Minji Seo, Reinald Kim Amplayo, Seung-won Hwang, Sua Sung

arxiv:1902.05196 v1 · 2019-02-14 · 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{XVWRALDHKSFTV5VFPC2IUC67YV}

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	2026-05-17T23:54:01.621346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd6d102c67548b3af6a578b48a0bdfc56b6a4daa6cd836fc9016685e2ae57349

Aliases

arxiv: 1902.05196 · arxiv_version: 1902.05196v1 · doi: 10.48550/arxiv.1902.05196 · pith_short_12: XVWRALDHKSFT · pith_short_16: XVWRALDHKSFTV5VF · pith_short_8: XVWRALDH

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/XVWRALDHKSFTV5VFPC2IUC67YV \
  | 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: bd6d102c67548b3af6a578b48a0bdfc56b6a4daa6cd836fc9016685e2ae57349

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5499339169e864d73f52650b3340a04f569f9fb95ea06c55f94784f98327e9ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-14T03:07:53Z",
    "title_canon_sha256": "ad47f34a4f6b87c188d6ca0fc99cf4cce4021354311ed9f51b03d116082e43f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05196",
    "kind": "arxiv",
    "version": 1
  }
}