Pith Number

pith:QINLETCP

pith:2011:QINLETCPGMMIPTWTBT7PH23CLP

not attested not anchored not stored refs pending

On the intersection of infinite matroids

Elad Aigner-Horev, Jan-Oliver Fr\"ohlich, Johannes Carmesin

arxiv:1111.0606 v2 · 2011-11-02 · 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{QINLETCPGMMIPTWTBT7PH23CLP}

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	2026-05-18T03:51:35.707442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

821ab24c4f331887ced30cfef3eb625bdbbb9997929515df34dc1fb7a1c5504f

Aliases

arxiv: 1111.0606 · arxiv_version: 1111.0606v2 · doi: 10.48550/arxiv.1111.0606 · pith_short_12: QINLETCPGMMI · pith_short_16: QINLETCPGMMIPTWT · pith_short_8: QINLETCP

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/QINLETCPGMMIPTWTBT7PH23CLP \
  | 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: 821ab24c4f331887ced30cfef3eb625bdbbb9997929515df34dc1fb7a1c5504f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "611cb629e1895e79e9cc34c76ed94e1dd0aec5855737a6d90c1ef1bebfa9920e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-11-02T18:53:28Z",
    "title_canon_sha256": "d9c71fb110f1ada05018686d31ea0e071115d84408218bc6b8c01e250ee23a14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0606",
    "kind": "arxiv",
    "version": 2
  }
}