Pith Number

pith:O4Z4VI5Z

pith:2011:O4Z4VI5Z76SKZZN6ZHJPIQBBMY

not attested not anchored not stored refs pending

Self-dual interval orders and row-Fishburn matrices

Sherry H. F. Yan, Yuexiao Xu

arxiv:1111.4723 v1 · 2011-11-21 · 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{O4Z4VI5Z76SKZZN6ZHJPIQBBMY}

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	2026-05-18T04:08:02.751633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7733caa3b9ffa4ace5bec9d2f440216603311eda3e76164004ac9047346daa67

Aliases

arxiv: 1111.4723 · arxiv_version: 1111.4723v1 · doi: 10.48550/arxiv.1111.4723 · pith_short_12: O4Z4VI5Z76SK · pith_short_16: O4Z4VI5Z76SKZZN6 · pith_short_8: O4Z4VI5Z

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/O4Z4VI5Z76SKZZN6ZHJPIQBBMY \
  | 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: 7733caa3b9ffa4ace5bec9d2f440216603311eda3e76164004ac9047346daa67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e25b810ac3c93fb5c1d764056451de9bdda75b33f2a821717f4938097858b8f8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-11-21T03:33:39Z",
    "title_canon_sha256": "e20371db681c7334c845ab3f48b6c3cce9f5265a956f714566efac800bf7061c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4723",
    "kind": "arxiv",
    "version": 1
  }
}