Pith Number

pith:HPMIWLPE

pith:2019:HPMIWLPEF3XTQW65F32SFDZR6V

not attested not anchored not stored refs pending

Minimum Volume Topic Modeling

Alfred Hero, Byoungwook Jang

arxiv:1904.02064 v1 · 2019-04-03 · stat.ML · 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{HPMIWLPEF3XTQW65F32SFDZR6V}

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	2026-05-17T23:49:28.855992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bd88b2de42eef385bdd2ef5228f31f5765154f5c7179073ed38ff30961033ab

Aliases

arxiv: 1904.02064 · arxiv_version: 1904.02064v1 · doi: 10.48550/arxiv.1904.02064 · pith_short_12: HPMIWLPEF3XT · pith_short_16: HPMIWLPEF3XTQW65 · pith_short_8: HPMIWLPE

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/HPMIWLPEF3XTQW65F32SFDZR6V \
  | 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: 3bd88b2de42eef385bdd2ef5228f31f5765154f5c7179073ed38ff30961033ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24668b3cff85220ba038d6888e1a7e11dd4254786986bfaab2bf15fba46abf55",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-04-03T15:34:20Z",
    "title_canon_sha256": "d2bbd419959c5e6aac2f5bae4d6be8d3450f35dbc5374c18b31f51b089936ef9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02064",
    "kind": "arxiv",
    "version": 1
  }
}