Pith Number

pith:HBAEV5GL

pith:2017:HBAEV5GLG5K4ZZFISHFK6DOI57

not attested not anchored not stored refs pending

Automated U.S Diplomatic Cables Security Classification: Topic Model Pruning vs. Classification Based on Clusters

C. Edward Chow, Ethan M. Rudd, Khudran Alzhrani, Terrance E. Boult

arxiv:1703.02248 v1 · 2017-03-07 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBAEV5GLG5K4ZZFISHFK6DOI57}

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	2026-05-18T00:49:20.404083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38404af4cb3755cce4a891caaf0dc8efed2d04e04bcfd1d02eef82b76a843941

Aliases

arxiv: 1703.02248 · arxiv_version: 1703.02248v1 · doi: 10.48550/arxiv.1703.02248 · pith_short_12: HBAEV5GLG5K4 · pith_short_16: HBAEV5GLG5K4ZZFI · pith_short_8: HBAEV5GL

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/HBAEV5GLG5K4ZZFISHFK6DOI57 \
  | 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: 38404af4cb3755cce4a891caaf0dc8efed2d04e04bcfd1d02eef82b76a843941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce789db40d311eb3b68302cf6493fe45e8577cf08fe528385c337556e67e3445",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-03-07T07:29:56Z",
    "title_canon_sha256": "f49f96f36dabcdfc4559b28dae2f67d2196807b17b2f312566b8cf68d294cd5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02248",
    "kind": "arxiv",
    "version": 1
  }
}