Pith Number

pith:DGCV7ZXU

pith:2013:DGCV7ZXUW32L2VMS2JQKZHPHJO

not attested not anchored not stored refs pending

Necessary and Sufficient Conditions for Novel Word Detection in Separable Topic Models

Mohammad H. Rohban, Prakash Ishwar, Venkatesh Saligrama, Weicong Ding

arxiv:1310.7994 v1 · 2013-10-30 · cs.LG · cs.IR · 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{DGCV7ZXUW32L2VMS2JQKZHPHJO}

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	2026-05-18T03:08:26.335121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19855fe6f4b6f4bd5592d260ac9de74b98382380c1664f08f89183c3dc41c36b

Aliases

arxiv: 1310.7994 · arxiv_version: 1310.7994v1 · doi: 10.48550/arxiv.1310.7994 · pith_short_12: DGCV7ZXUW32L · pith_short_16: DGCV7ZXUW32L2VMS · pith_short_8: DGCV7ZXU

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/DGCV7ZXUW32L2VMS2JQKZHPHJO \
  | 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: 19855fe6f4b6f4bd5592d260ac9de74b98382380c1664f08f89183c3dc41c36b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ea7155fbd405003eb42b2d96ad017f2b195702f87396eb91b6fc7c26defbc73",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-10-30T01:19:26Z",
    "title_canon_sha256": "67c09870ee72a2b4a6be4500737918eacfd22f1fbf0e7c12953d2afe1e6743a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7994",
    "kind": "arxiv",
    "version": 1
  }
}