Pith Number

pith:QT5VT7ZA

pith:2011:QT5VT7ZAE6FFICRAONJDYDL4FM

not attested not anchored not stored refs pending

On epimorphisms of spherical Moufang buildings

Koen Struyve

arxiv:1107.4266 v2 · 2011-07-21 · 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{QT5VT7ZAE6FFICRAONJDYDL4FM}

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	2026-05-18T04:01:39.551167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84fb59ff20278a540a2073523c0d7c2b0e4808130ffb7a917767b8894655bc12

Aliases

arxiv: 1107.4266 · arxiv_version: 1107.4266v2 · doi: 10.48550/arxiv.1107.4266 · pith_short_12: QT5VT7ZAE6FF · pith_short_16: QT5VT7ZAE6FFICRA · pith_short_8: QT5VT7ZA

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/QT5VT7ZAE6FFICRAONJDYDL4FM \
  | 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: 84fb59ff20278a540a2073523c0d7c2b0e4808130ffb7a917767b8894655bc12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f2b5cd2cc84d75c993ef0b8b82e9d3b0db65580746207f04489ee45c98b458b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-07-21T13:18:37Z",
    "title_canon_sha256": "860533105d726f21d45b670c48f9a18896631c5fc01af19fdf492c142eea5723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4266",
    "kind": "arxiv",
    "version": 2
  }
}