Pith Number

pith:ON7L3R3R

pith:2017:ON7L3R3R6FB6ASEKIUQFS2M5QW

not attested not anchored not stored refs pending

Conceptualization Topic Modeling

Guihua Wen, Heyan Huang, Xian-Ling Mao, Yi-Kun Tang

arxiv:1704.02090 v1 · 2017-04-07 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ON7L3R3R6FB6ASEKIUQFS2M5QW}

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	2026-05-18T00:46:50.810204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

737ebdc771f143e0488a452059699d85adbd0d84aea8567ce74e0f65238494b4

Aliases

arxiv: 1704.02090 · arxiv_version: 1704.02090v1 · doi: 10.48550/arxiv.1704.02090 · pith_short_12: ON7L3R3R6FB6 · pith_short_16: ON7L3R3R6FB6ASEK · pith_short_8: ON7L3R3R

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/ON7L3R3R6FB6ASEKIUQFS2M5QW \
  | 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: 737ebdc771f143e0488a452059699d85adbd0d84aea8567ce74e0f65238494b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cfa00f837e46fa461f60d29bf729feba68eb1daa16ce65667806549353e3b3a",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-04-07T05:12:38Z",
    "title_canon_sha256": "575915f37c317504398ecde294d89012499562f6d72fc3c266d7c29fa6629651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02090",
    "kind": "arxiv",
    "version": 1
  }
}