Pith Number

pith:GCXUTEBX

pith:2014:GCXUTEBXQW2VWE4HMYSW2VD7JU

not attested not anchored not stored refs pending

A bound on a convexity measure for point sets

Danny Rorabaugh

arxiv:1409.4344 v1 · 2014-09-15 · cs.CG · 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{GCXUTEBXQW2VWE4HMYSW2VD7JU}

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	2026-05-18T02:42:47.031126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30af49903785b55b138766256d547f4d1b87d5b175f1140a7302d71aeda1b0c7

Aliases

arxiv: 1409.4344 · arxiv_version: 1409.4344v1 · doi: 10.48550/arxiv.1409.4344 · pith_short_12: GCXUTEBXQW2V · pith_short_16: GCXUTEBXQW2VWE4H · pith_short_8: GCXUTEBX

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/GCXUTEBXQW2VWE4HMYSW2VD7JU \
  | 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: 30af49903785b55b138766256d547f4d1b87d5b175f1140a7302d71aeda1b0c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08ef72e73102362a865149d729879dd805b7c25964949185c3ead8d57850f041",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-09-15T17:39:32Z",
    "title_canon_sha256": "ac8bd5c0c91ea16c9f97b7af3b95a0ec2b7a256c89e4c4d1a7438b0d7e11a3ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4344",
    "kind": "arxiv",
    "version": 1
  }
}