Pith Number

pith:OQPIPX62

pith:2017:OQPIPX62RTLWVPHP2NZWHUM3KJ

not attested not anchored not stored refs pending

A Structural Characterization for Certifying Robinsonian Matrices

Matteo Seminaroti, Monique Laurent, Shin-ichi Tanigawa

arxiv:1701.00806 v1 · 2017-01-03 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQPIPX62RTLWVPHP2NZWHUM3KJ}

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	2026-05-18T00:00:33.308511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

741e87dfda8cd76abcefd37363d19b527aaa668a40ef91a9b261708237aba076

Aliases

arxiv: 1701.00806 · arxiv_version: 1701.00806v1 · doi: 10.48550/arxiv.1701.00806 · pith_short_12: OQPIPX62RTLW · pith_short_16: OQPIPX62RTLWVPHP · pith_short_8: OQPIPX62

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/OQPIPX62RTLWVPHP2NZWHUM3KJ \
  | 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: 741e87dfda8cd76abcefd37363d19b527aaa668a40ef91a9b261708237aba076

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4d10d2c3fb1adb88e43bc726d6c6ae0ef7d10f88600e9b2a6e3026c7c517c06",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-01-03T19:59:17Z",
    "title_canon_sha256": "6e2c5de71fa21cad3f3bad59c1a344407ee8561347ef427b267c5ca87c0a8602"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00806",
    "kind": "arxiv",
    "version": 1
  }
}