Pith Number

pith:IVZLMSGA

pith:2013:IVZLMSGA4ZYCK6PTOI6OJBMBQ4

not attested not anchored not stored refs pending

Linear Extensions of N-free Orders

Stefan Felsner, Thibault Manneville

arxiv:1311.1612 v1 · 2013-11-07 · 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{IVZLMSGA4ZYCK6PTOI6OJBMBQ4}

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	2026-05-18T00:42:22.191690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4572b648c0e6702579f3723ce48581871b72b8a104495636292a157e7f1bbfa6

Aliases

arxiv: 1311.1612 · arxiv_version: 1311.1612v1 · doi: 10.48550/arxiv.1311.1612 · pith_short_12: IVZLMSGA4ZYC · pith_short_16: IVZLMSGA4ZYCK6PT · pith_short_8: IVZLMSGA

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/IVZLMSGA4ZYCK6PTOI6OJBMBQ4 \
  | 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: 4572b648c0e6702579f3723ce48581871b72b8a104495636292a157e7f1bbfa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18782de52ca84ce7808b01c1791d5d40c7a9e02ee499698281650e2790a12916",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-11-07T09:09:05Z",
    "title_canon_sha256": "ea973a292e5e50bbc042343c5be4353f7467f756d3768945d2ecbf0a7222577f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1612",
    "kind": "arxiv",
    "version": 1
  }
}