Pith Number

pith:AEKPBB66

pith:2013:AEKPBB66CSUKAYB2PXFPPHCKOM

not attested not anchored not stored refs pending

Unsplittable coverings in the plane

D\"om\"ot\"or P\'alv\"olgyi, J\'anos Pach

arxiv:1310.6900 v4 · 2013-10-25 · math.MG · cs.DM · 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{AEKPBB66CSUKAYB2PXFPPHCKOM}

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	2026-05-18T02:03:38.019626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0114f087de14a8a0603a7dcaf79c4a73042245e998318afca75080ee78514df1

Aliases

arxiv: 1310.6900 · arxiv_version: 1310.6900v4 · doi: 10.48550/arxiv.1310.6900 · pith_short_12: AEKPBB66CSUK · pith_short_16: AEKPBB66CSUKAYB2 · pith_short_8: AEKPBB66

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/AEKPBB66CSUKAYB2PXFPPHCKOM \
  | 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: 0114f087de14a8a0603a7dcaf79c4a73042245e998318afca75080ee78514df1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7216ed7d8c6b633fa5822eb86f971161fd53bfe86430a6b626c5216b5711febd",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-10-25T13:02:36Z",
    "title_canon_sha256": "ab74cad1d51f730618f8d6104d81f254e70d04955de2987010b9da562013d5ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6900",
    "kind": "arxiv",
    "version": 4
  }
}