Pith Number

pith:NGICZWTP

pith:2013:NGICZWTPA5SV37Y3NGGU6NMP4K

not attested not anchored not stored refs pending

Tables of parameters of symmetric configurations $v_{k}$

Alexander A. Davydov, Fernanda Pambianco, Giorgio Faina, Massimo Giulietti, Stefano Marcugini

arxiv:1312.3837 v2 · 2013-12-13 · math.CO · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGICZWTPA5SV37Y3NGGU6NMP4K}

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	2026-05-18T02:42:08.174200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69902cda6f07655dff1b698d4f358fe28cd999c700924483fd55deff6bc270b2

Aliases

arxiv: 1312.3837 · arxiv_version: 1312.3837v2 · doi: 10.48550/arxiv.1312.3837 · pith_short_12: NGICZWTPA5SV · pith_short_16: NGICZWTPA5SV37Y3 · pith_short_8: NGICZWTP

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/NGICZWTPA5SV37Y3NGGU6NMP4K \
  | 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: 69902cda6f07655dff1b698d4f358fe28cd999c700924483fd55deff6bc270b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9860f385b74ddecbf63788577a70b2d75738033782b02b084444f36236f6b635",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-12-13T15:18:59Z",
    "title_canon_sha256": "11a807f1ea241b609228c235c2474df801b9ccf9d06fffdb42e75598617b6ec1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3837",
    "kind": "arxiv",
    "version": 2
  }
}