Pith Number

pith:47PUX7BU

pith:2012:47PUX7BUHW7CCUL6VQ24WSPUPS

not attested not anchored not stored refs pending

A computer based classification of caps in PG(5,2)

Daniele Bartoli, Fernanda Pambianco, Stefano Marcugini

arxiv:1203.0994 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{47PUX7BUHW7CCUL6VQ24WSPUPS}

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	2026-05-18T04:00:49.868747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7df4bfc343dbe21517eac35cb49f47cb07b90d32943470b971e83e7f5126d39

Aliases

arxiv: 1203.0994 · arxiv_version: 1203.0994v1 · doi: 10.48550/arxiv.1203.0994 · pith_short_12: 47PUX7BUHW7C · pith_short_16: 47PUX7BUHW7CCUL6 · pith_short_8: 47PUX7BU

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/47PUX7BUHW7CCUL6VQ24WSPUPS \
  | 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: e7df4bfc343dbe21517eac35cb49f47cb07b90d32943470b971e83e7f5126d39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc90bb2e242e9f7b82bb47ca7ff73d5a0cadb2089d6492b819d9e80575b424ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-03-05T18:13:12Z",
    "title_canon_sha256": "d47d3dcfb7e54248803febe0c4dd4ebd39654a956874a2664db6b7b5364a1757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0994",
    "kind": "arxiv",
    "version": 1
  }
}