Pith Number

pith:OV6JW7IJ

pith:2012:OV6JW7IJGYF7QPNOGYVIGFZNZ7

not attested not anchored not stored refs pending

Marginality: a numerical mapping for enhanced treatment of nominal and hierarchical attributes

Josep Domingo-Ferrer

arxiv:1202.6009 v1 · 2012-02-27 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OV6JW7IJGYF7QPNOGYVIGFZNZ7}

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	2026-05-18T04:01:24.094045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

757c9b7d09360bf83dae362a83172dcffff065bdcc5c03833ea8815d365d1e3f

Aliases

arxiv: 1202.6009 · arxiv_version: 1202.6009v1 · doi: 10.48550/arxiv.1202.6009 · pith_short_12: OV6JW7IJGYF7 · pith_short_16: OV6JW7IJGYF7QPNO · pith_short_8: OV6JW7IJ

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/OV6JW7IJGYF7QPNOGYVIGFZNZ7 \
  | 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: 757c9b7d09360bf83dae362a83172dcffff065bdcc5c03833ea8815d365d1e3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2642898b8e0e569138051fbc82bbf4134ffe5001403ae15a244259650caa16f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-02-27T17:37:20Z",
    "title_canon_sha256": "0627db42f72881f153724ef41188cb9846dcc2696552e34233b65c1293dfc680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6009",
    "kind": "arxiv",
    "version": 1
  }
}