Pith Number

pith:CI4U4GW7

pith:2014:CI4U4GW7DMZ4UHFHQL4CNZ5WZZ

not attested not anchored not stored refs pending

On the Levi Graph of Point-Line Configurations

Jazmin Ortiz, Jessica Hauschild, Oscar Vega

arxiv:1408.2879 v2 · 2014-08-12 · 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{CI4U4GW7DMZ4UHFHQL4CNZ5WZZ}

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	2026-05-18T01:22:21.895280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12394e1adf1b33ca1ca782f826e7b6ce53f6e263c13ce7013b65459751ef74ad

Aliases

arxiv: 1408.2879 · arxiv_version: 1408.2879v2 · doi: 10.48550/arxiv.1408.2879 · pith_short_12: CI4U4GW7DMZ4 · pith_short_16: CI4U4GW7DMZ4UHFH · pith_short_8: CI4U4GW7

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/CI4U4GW7DMZ4UHFHQL4CNZ5WZZ \
  | 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: 12394e1adf1b33ca1ca782f826e7b6ce53f6e263c13ce7013b65459751ef74ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85e2ef1c46f424dfc4259ad7475179017086d56d6b3adfca304472dd1c047864",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-08-12T23:27:12Z",
    "title_canon_sha256": "d5d65399bf78b12f1ada39b78c7c11e1190da5cf0466782f6caf6d189bd25c35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2879",
    "kind": "arxiv",
    "version": 2
  }
}