Pith Number

pith:4KEFUAE4

pith:2014:4KEFUAE4GBMYCKHRQ7MB3PBQGZ

not attested not anchored not stored refs pending

The intersection graph of the disks with diameters the sides of a convex $n$-gon

Clemens Huemer, Pablo P\'erez-Lantero

arxiv:1410.4126 v3 · 2014-10-14 · math.MG · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KEFUAE4GBMYCKHRQ7MB3PBQGZ}

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	2026-05-18T01:12:22.964392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2885a009c30598128f187d81dbc303661f6b7e1806243dc4edc4794d9c1678e

Aliases

arxiv: 1410.4126 · arxiv_version: 1410.4126v3 · doi: 10.48550/arxiv.1410.4126 · pith_short_12: 4KEFUAE4GBMY · pith_short_16: 4KEFUAE4GBMYCKHR · pith_short_8: 4KEFUAE4

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/4KEFUAE4GBMYCKHRQ7MB3PBQGZ \
  | 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: e2885a009c30598128f187d81dbc303661f6b7e1806243dc4edc4794d9c1678e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "913f5513ce5bf496145138a77515fcc86504aa214057ac309683ffc1011e4c64",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-10-14T19:08:15Z",
    "title_canon_sha256": "8077447e3dd5bba034132a649e6df0b58dd7f33fa5a58fb1565b74e19a389dae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4126",
    "kind": "arxiv",
    "version": 3
  }
}