Pith Number

pith:ZAV6BSSC

pith:2025:ZAV6BSSCISBJZXERSQXT46BU75

not attested not anchored not stored refs pending

Toric ideal of matching polytopes and edge colorings

Akiyoshi Tsuchiya, Hidefumi Ohsugi, Kenta Mori, Ryo Motomura

arxiv:2501.19209 v3 · 2025-01-31 · math.AC · 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{ZAV6BSSCISBJZXERSQXT46BU75}

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	2026-05-20T02:05:32.626846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c82be0ca4244829cdc91942f3e7834ff40eebea6d335f540bbb94f9ae83a81ea

Aliases

arxiv: 2501.19209 · arxiv_version: 2501.19209v3 · doi: 10.48550/arxiv.2501.19209 · pith_short_12: ZAV6BSSCISBJ · pith_short_16: ZAV6BSSCISBJZXER · pith_short_8: ZAV6BSSC

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/ZAV6BSSCISBJZXERSQXT46BU75 \
  | 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: c82be0ca4244829cdc91942f3e7834ff40eebea6d335f540bbb94f9ae83a81ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "030ecc957f74c8ebd0e12acce1bc1e133398159fbde74ccc75c2ff10cdf01623",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2025-01-31T15:16:30Z",
    "title_canon_sha256": "3d75bee7d3ab2e23f6c126f67a5ed64ef156fb81932c3f08b108b4ac68b016d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.19209",
    "kind": "arxiv",
    "version": 3
  }
}