Pith Number

pith:UBUH4U3Z

pith:2018:UBUH4U3ZPCO7DOEO4XO3IN6POL

not attested not anchored not stored refs pending

On the Relationship Between Ehrhart Unimodality and Ehrhart Positivity

Fu Liu, Liam Solus

arxiv:1804.08258 v1 · 2018-04-23 · 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{UBUH4U3ZPCO7DOEO4XO3IN6POL}

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	2026-05-18T00:17:49.058540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0687e5379789df1b88ee5ddb437cf72c0571319c355e2d55f5f0a41cca1da82

Aliases

arxiv: 1804.08258 · arxiv_version: 1804.08258v1 · doi: 10.48550/arxiv.1804.08258 · pith_short_12: UBUH4U3ZPCO7 · pith_short_16: UBUH4U3ZPCO7DOEO · pith_short_8: UBUH4U3Z

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/UBUH4U3ZPCO7DOEO4XO3IN6POL \
  | 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: a0687e5379789df1b88ee5ddb437cf72c0571319c355e2d55f5f0a41cca1da82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea1122bdc9a9fc479341599255e10c8608df4a4e0dd02ba6043bb93569ceca2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-23T06:36:51Z",
    "title_canon_sha256": "77c017c5c234f2ebfa8d525a0ba208ff5800eba65d862961f626a8121b7ff707"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08258",
    "kind": "arxiv",
    "version": 1
  }
}