Pith Number

pith:H5QNKJ7K

pith:2017:H5QNKJ7KEHDWWBTY3I4P6EJN7L

not attested not anchored not stored refs pending

Familia: An Open-Source Toolkit for Industrial Topic Modeling

Chen Li, Di Jiang, Rongzhong Lian, Siqi Bao, Zeyu Chen

arxiv:1707.09823 v1 · 2017-07-31 · cs.IR · 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{H5QNKJ7KEHDWWBTY3I4P6EJN7L}

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	2026-05-18T00:39:08.121167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f60d527ea21c76b0678da38ff112dfaf0fc4bf53cf38e92619062f5bf3a5d33

Aliases

arxiv: 1707.09823 · arxiv_version: 1707.09823v1 · doi: 10.48550/arxiv.1707.09823 · pith_short_12: H5QNKJ7KEHDW · pith_short_16: H5QNKJ7KEHDWWBTY · pith_short_8: H5QNKJ7K

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/H5QNKJ7KEHDWWBTY3I4P6EJN7L \
  | 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: 3f60d527ea21c76b0678da38ff112dfaf0fc4bf53cf38e92619062f5bf3a5d33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67aae37620583155048b927435505965e20e683c620746d907983ffc86154ba5",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-07-31T12:48:45Z",
    "title_canon_sha256": "c2528b510f62026d3ba060c3ac344af6408630c91ff53b2c1a15d62c111244c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09823",
    "kind": "arxiv",
    "version": 1
  }
}