Pith Number

pith:KXLLQRZG

pith:2008:KXLLQRZG5PUZ4OSVEAMNYVMF6Q

not attested not anchored not stored refs pending

Algebraic and combinatorial properties of ideals and algebras of uniform clutters of TDI systems

Luis A. Dupont, Rafael H. Villarreal

arxiv:0801.1478 v2 · 2008-01-09 · 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{KXLLQRZG5PUZ4OSVEAMNYVMF6Q}

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	2026-05-18T04:25:11.754746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55d6b84726ebe99e3a552018dc5585f410da4f0d3c3b87708661e4e03c5604c2

Aliases

arxiv: 0801.1478 · arxiv_version: 0801.1478v2 · doi: 10.48550/arxiv.0801.1478 · pith_short_12: KXLLQRZG5PUZ · pith_short_16: KXLLQRZG5PUZ4OSV · pith_short_8: KXLLQRZG

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/KXLLQRZG5PUZ4OSVEAMNYVMF6Q \
  | 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: 55d6b84726ebe99e3a552018dc5585f410da4f0d3c3b87708661e4e03c5604c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ca2b05dcce0ad3113ba600b0c98caad7d767e36b8f455fa9807c7c7e0558882",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2008-01-09T18:16:56Z",
    "title_canon_sha256": "53158090675d61bbeaec9a64f62d8365400b4a004c8a122dc0cff9caa83f2b4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1478",
    "kind": "arxiv",
    "version": 2
  }
}