Pith Number

pith:LACFX7TJ

pith:2013:LACFX7TJXUWAXCRYWLKCPULTKY

not attested not anchored not stored refs pending

The niche graphs of interval orders

Jeongmi Park, Yoshio Sano

arxiv:1304.5476 v1 · 2013-04-19 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LACFX7TJXUWAXCRYWLKCPULTKY}

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	2026-05-18T02:45:32.081256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58045bfe69bd2c0b8a38b2d427d173563545020ed52ce0a125596a2109633882

Aliases

arxiv: 1304.5476 · arxiv_version: 1304.5476v1 · doi: 10.48550/arxiv.1304.5476 · pith_short_12: LACFX7TJXUWA · pith_short_16: LACFX7TJXUWAXCRY · pith_short_8: LACFX7TJ

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/LACFX7TJXUWAXCRYWLKCPULTKY \
  | 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: 58045bfe69bd2c0b8a38b2d427d173563545020ed52ce0a125596a2109633882

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04d9c0a57ba57783053c7161b0bac84e8b0984db77ede70f5621de7be3fe9459",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-04-19T16:51:24Z",
    "title_canon_sha256": "a4c510e6f1be17a10352d86b0ec45a6cefc0d0c47c2cf11a4c37f5004dedb0d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5476",
    "kind": "arxiv",
    "version": 1
  }
}