Pith Number

pith:OWFICV46

pith:2012:OWFICV46WT2KMFSJCRSZ37K6FU

not attested not anchored not stored refs pending

A computer based classification of caps in PG(4,2)

Daniele Bartoli, Fernanda Pambianco, Stefano Marcugini

arxiv:1203.0992 v1 · 2012-03-05 · 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{OWFICV46WT2KMFSJCRSZ37K6FU}

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	2026-05-18T04:00:49.876340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

758a81579eb4f4a6164914659dfd5e2d0212f826d4b1865ed1521ee27e2c5da5

Aliases

arxiv: 1203.0992 · arxiv_version: 1203.0992v1 · doi: 10.48550/arxiv.1203.0992 · pith_short_12: OWFICV46WT2K · pith_short_16: OWFICV46WT2KMFSJ · pith_short_8: OWFICV46

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/OWFICV46WT2KMFSJCRSZ37K6FU \
  | 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: 758a81579eb4f4a6164914659dfd5e2d0212f826d4b1865ed1521ee27e2c5da5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc5bbd18ccc58a16e39c1c30fedaa522daa0f66b0f34766696d9625eac364d77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-03-05T18:07:00Z",
    "title_canon_sha256": "4b211079a0df91b1b816913d04d7334d4fec7e9f1cd49371b11a163f74e3b098"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0992",
    "kind": "arxiv",
    "version": 1
  }
}