Pith Number

pith:2NU6JWXJ

pith:2018:2NU6JWXJ4QTVTWASFJISJJ5B4M

not attested not anchored not stored refs pending

Corpus Statistics in Text Classification of Online Data

Marina Sokolova, Victoria Bobicev

arxiv:1803.06390 v1 · 2018-03-16 · cs.CL · cs.IR · 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{2NU6JWXJ4QTVTWASFJISJJ5B4M}

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	2026-05-18T00:20:45.990258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d369e4dae9e42759d8122a5124a7a1e33492ecf79c0f5403cf10a5a2325b2b27

Aliases

arxiv: 1803.06390 · arxiv_version: 1803.06390v1 · doi: 10.48550/arxiv.1803.06390 · pith_short_12: 2NU6JWXJ4QTV · pith_short_16: 2NU6JWXJ4QTVTWAS · pith_short_8: 2NU6JWXJ

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/2NU6JWXJ4QTVTWASFJISJJ5B4M \
  | 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: d369e4dae9e42759d8122a5124a7a1e33492ecf79c0f5403cf10a5a2325b2b27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "629c721ff5a4a28be7aebf37a528742fec233eb9397d163df6dab7787c588f9d",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-03-16T20:19:56Z",
    "title_canon_sha256": "2945ff15e385530eb6bc3d050b1c6f8a576e7189a3cc3dc5f9f1169127db06ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06390",
    "kind": "arxiv",
    "version": 1
  }
}