Pith Number

pith:3HDWCTRZ

pith:2010:3HDWCTRZLJCKFGDMIW3AQYDCSD

not attested not anchored not stored refs pending

Compact Totally Disconnected Moufang Buildings

Hendrik Van Maldeghem, Linus Kramer, Richard M. Weiss, Theo Grundhofer

arxiv:1008.5134 v5 · 2010-08-30 · math.GR · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3HDWCTRZLJCKFGDMIW3AQYDCSD}

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	2026-05-18T04:16:02.400617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9c7614e395a44a2986c45b608606290cdb7d21dc2b3b8468f5a8aa21e33cfc4

Aliases

arxiv: 1008.5134 · arxiv_version: 1008.5134v5 · doi: 10.48550/arxiv.1008.5134 · pith_short_12: 3HDWCTRZLJCK · pith_short_16: 3HDWCTRZLJCKFGDM · pith_short_8: 3HDWCTRZ

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/3HDWCTRZLJCKFGDMIW3AQYDCSD \
  | 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: d9c7614e395a44a2986c45b608606290cdb7d21dc2b3b8468f5a8aa21e33cfc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49f0dc83c6221d38090ae2ef68ca1f5c8b644911da87d99abd7c978b0d2aa2d4",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2010-08-30T18:44:47Z",
    "title_canon_sha256": "8c781b198bcf41fa1137046a27f1b3a0b9ea9c956f58bb3a64a2585431a1d7ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.5134",
    "kind": "arxiv",
    "version": 5
  }
}