Pith Number

pith:WF5VYX6C

pith:2018:WF5VYX6CHB4EBKZX2ONUBWOU7F

not attested not anchored not stored refs pending

Centroid estimation based on symmetric KL divergence for Multinomial text classification problem

Haoyan Zhai, Heinrich Matzinger, Jiangning Chen, Mi Zhou

arxiv:1808.10261 v2 · 2018-08-29 · cs.IR · 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{WF5VYX6CHB4EBKZX2ONUBWOU7F}

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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	2026-05-18T00:02:22.043095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b17b5c5fc2387840ab37d39b40d9d4f940317e764f207b4be9a778fde5e53fd5

Aliases

arxiv: 1808.10261 · arxiv_version: 1808.10261v2 · doi: 10.48550/arxiv.1808.10261 · pith_short_12: WF5VYX6CHB4E · pith_short_16: WF5VYX6CHB4EBKZX · pith_short_8: WF5VYX6C

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/WF5VYX6CHB4EBKZX2ONUBWOU7F \
  | 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: b17b5c5fc2387840ab37d39b40d9d4f940317e764f207b4be9a778fde5e53fd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe99389830b73a61a73b58038ad4cf1bcba73dc4b3357a5a2b947605818678af",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-08-29T15:24:33Z",
    "title_canon_sha256": "7c62d10038d2714d3faf1cb9170da75e521b247babe44a66b39060c80e583a21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10261",
    "kind": "arxiv",
    "version": 2
  }
}