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Pith Number

pith:RL7F3T4M

pith:2014:RL7F3T4M6UGNAXNKB5T3HYWEFO
not attested not anchored not stored refs pending

Enumerative Geometrical Genealogy (Or: The Sex Life of Points and Lines)

Doron Zeilberger, Shalosh B. Ekhad

arxiv:1406.5157 v1 · 2014-06-19 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RL7F3T4M6UGNAXNKB5T3HYWEFO}

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 2026-05-18T02:49:20.809598Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8afe5dcf8cf50cd05daa0f67b3e2c42b89c2add1d94cf0459da1d895816e6e5f

Aliases

arxiv: 1406.5157 · arxiv_version: 1406.5157v1 · doi: 10.48550/arxiv.1406.5157 · pith_short_12: RL7F3T4M6UGN · pith_short_16: RL7F3T4M6UGNAXNK · pith_short_8: RL7F3T4M
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RL7F3T4M6UGNAXNKB5T3HYWEFO \
  | 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: 8afe5dcf8cf50cd05daa0f67b3e2c42b89c2add1d94cf0459da1d895816e6e5f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "29c50afc771833da9184fbed9b5068345ac0347096dc04e3cd552dae4a33d919",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-19T19:09:28Z",
    "title_canon_sha256": "684fb28bf7ec587de437308c6d962145145b98c5cb402d4e5513474df2f789de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5157",
    "kind": "arxiv",
    "version": 1
  }
}