Pith Number

pith:SKC43API

pith:2008:SKC43API7CHVWFO3W4GMY34CJZ

not attested not anchored not stored refs pending

Some combinatorial properties of flag simplicial pseudomanifolds and spheres

Christos A. Athanasiadis

arxiv:0807.4369 v3 · 2008-07-28 · 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{SKC43API7CHVWFO3W4GMY34CJZ}

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	2026-05-18T02:15:44.442658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9285cd81e8f88f5b15dbb70ccc6f824e52a41e0e938952ac226d22d46bb983b0

Aliases

arxiv: 0807.4369 · arxiv_version: 0807.4369v3 · doi: 10.48550/arxiv.0807.4369 · pith_short_12: SKC43API7CHV · pith_short_16: SKC43API7CHVWFO3 · pith_short_8: SKC43API

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/SKC43API7CHVWFO3W4GMY34CJZ \
  | 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: 9285cd81e8f88f5b15dbb70ccc6f824e52a41e0e938952ac226d22d46bb983b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8c8d47d42df1e86fe17c47ca270d375272a6c3a36ca32e2063f363abf92fd19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2008-07-28T07:31:31Z",
    "title_canon_sha256": "8b70d01be60b904eaaf498678b8980291849023a4001559d59ea42485ed2ac86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4369",
    "kind": "arxiv",
    "version": 3
  }
}