Pith Number

pith:GUSVYGOR

pith:2018:GUSVYGORWHYRUEEZ6FCXFO2NN3

not attested not anchored not stored refs pending

A robust hierarchical nominal classification method based on similarity and dissimilarity using loss function and an improved version of the deck of cards method

Ana Sara Costa, Jos\'e Borbinha, Jos\'e Rui Figueira, Salvatore Corrente, Salvatore Greco

arxiv:1812.08596 v2 · 2018-12-12 · cs.AI · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GUSVYGORWHYRUEEZ6FCXFO2NN3}

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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	2026-05-17T23:39:25.205679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35255c19d1b1f11a1099f14572bb4d6efe7d9e377cb13f336de9225aa7f51d63

Aliases

arxiv: 1812.08596 · arxiv_version: 1812.08596v2 · doi: 10.48550/arxiv.1812.08596 · pith_short_12: GUSVYGORWHYR · pith_short_16: GUSVYGORWHYRUEEZ · pith_short_8: GUSVYGOR

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/GUSVYGORWHYRUEEZ6FCXFO2NN3 \
  | 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: 35255c19d1b1f11a1099f14572bb4d6efe7d9e377cb13f336de9225aa7f51d63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9d6c09826416b2cc75b34e79663c2c7701812ac7621386579fb7d81dc002acb",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-12-12T12:50:08Z",
    "title_canon_sha256": "bed232f1abad064d6f0d78c059fc2559059593f662339610ee5bff39fe233d8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08596",
    "kind": "arxiv",
    "version": 2
  }
}