Pith Number

pith:AZSWZMD2

pith:2017:AZSWZMD2XRY5FLB5POTPPF6LOM

not attested not anchored not stored refs pending

Prior matters: simple and general methods for evaluating and improving topic quality in topic modeling

Angela Fan, Finale Doshi-Velez, Luke Miratrix

arxiv:1701.03227 v3 · 2017-01-12 · 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{AZSWZMD2XRY5FLB5POTPPF6LOM}

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	2026-05-18T00:32:55.407213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06656cb07abc71d2ac3d7ba6f797cb7333e31f373d5f7c82aced8c7190d48f6f

Aliases

arxiv: 1701.03227 · arxiv_version: 1701.03227v3 · doi: 10.48550/arxiv.1701.03227 · pith_short_12: AZSWZMD2XRY5 · pith_short_16: AZSWZMD2XRY5FLB5 · pith_short_8: AZSWZMD2

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/AZSWZMD2XRY5FLB5POTPPF6LOM \
  | 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: 06656cb07abc71d2ac3d7ba6f797cb7333e31f373d5f7c82aced8c7190d48f6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c5e30681c752306a00e7ddf705cf5391ef5ad63708adcf8c0616e9f22953efa",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-01-12T04:26:00Z",
    "title_canon_sha256": "a18884f4f313d549d198231c9c0398d2b9c27a08432b9a009204582a3025e90a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03227",
    "kind": "arxiv",
    "version": 3
  }
}