Pith Number

pith:TKH77GA7

pith:2009:TKH77GA7BJ7XWWR2TUO4JBQ4QA

not attested not anchored not stored refs pending

A lower bound technique for triangulations of simplotopes

Francis Edward Su, Tyler Seacrest

arxiv:0910.1134 v2 · 2009-10-06 · math.CO · 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{TKH77GA7BJ7XWWR2TUO4JBQ4QA}

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	2026-05-18T00:40:08.893089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a8fff981f0a7f7b5a3a9d1dc4861c802b611a3e1c7f48a0f1784991de4c4a4c

Aliases

arxiv: 0910.1134 · arxiv_version: 0910.1134v2 · doi: 10.48550/arxiv.0910.1134 · pith_short_12: TKH77GA7BJ7X · pith_short_16: TKH77GA7BJ7XWWR2 · pith_short_8: TKH77GA7

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/TKH77GA7BJ7XWWR2TUO4JBQ4QA \
  | 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: 9a8fff981f0a7f7b5a3a9d1dc4861c802b611a3e1c7f48a0f1784991de4c4a4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22f946da193a41657e53b4fc15f606da8e286003755ce31d24accf85f09929f2",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-10-06T23:35:47Z",
    "title_canon_sha256": "7c20708d204f048241a213a4765e1ae817794c231050b04f7014c1ecb6878e57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1134",
    "kind": "arxiv",
    "version": 2
  }
}