Pith Number

pith:HOZUNTHJ

pith:2013:HOZUNTHJI6NNIISYUBCU5PFHQI

not attested not anchored not stored refs pending

Intertwining connectivities in representable matroids

Stefan van Zwam, Tony Huynh

arxiv:1304.6488 v2 · 2013-04-24 · 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{HOZUNTHJI6NNIISYUBCU5PFHQI}

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	2026-05-18T00:26:09.268534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bb346cce9479ad42258a0454ebca7822546000620d86685dbc71f264d4c2e0d

Aliases

arxiv: 1304.6488 · arxiv_version: 1304.6488v2 · doi: 10.48550/arxiv.1304.6488 · pith_short_12: HOZUNTHJI6NN · pith_short_16: HOZUNTHJI6NNIISY · pith_short_8: HOZUNTHJ

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/HOZUNTHJI6NNIISYUBCU5PFHQI \
  | 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: 3bb346cce9479ad42258a0454ebca7822546000620d86685dbc71f264d4c2e0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba7f0fd216d292c6f1f6090e1b1e43cf1e32479315b77d54bc82f197a4a81657",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-04-24T06:43:24Z",
    "title_canon_sha256": "88f0e06bcc00a2e26c8cbcb7320563050484d493e6f5639ebb749e84753b82aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6488",
    "kind": "arxiv",
    "version": 2
  }
}