Pith Number

pith:XLXUR3XU

pith:2016:XLXUR3XULKGTYWMF2TWAYNPANQ

not attested not anchored not stored refs pending

Matroid basis graph: Counting Hamiltonian cycles

C\'esar Hern\'andez-V\'elez, Cristina G. Fernandes, Jorge Luis Ram\'irez Alfons\'in, Jos\'e C. de Pina

arxiv:1608.02635 v2 · 2016-08-08 · 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{XLXUR3XULKGTYWMF2TWAYNPANQ}

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	2026-05-17T23:47:44.614011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baef48eef45a8d3c5985d4ec0c35e06c3c0f68c41e7859acfccf90432292e2fd

Aliases

arxiv: 1608.02635 · arxiv_version: 1608.02635v2 · doi: 10.48550/arxiv.1608.02635 · pith_short_12: XLXUR3XULKGT · pith_short_16: XLXUR3XULKGTYWMF · pith_short_8: XLXUR3XU

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/XLXUR3XULKGTYWMF2TWAYNPANQ \
  | 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: baef48eef45a8d3c5985d4ec0c35e06c3c0f68c41e7859acfccf90432292e2fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8cb371df2aaa80aa7f04e756efe376035050846cef9b594dd115b25d9717397",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-08-08T21:52:53Z",
    "title_canon_sha256": "2c43e44c435aff91aa80b30c34e0357a87af5fbe699b33adada8d895c08a4760"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02635",
    "kind": "arxiv",
    "version": 2
  }
}