Pith Number

pith:2L65E3AR

pith:2017:2L65E3ARO6S6YLL3HNR2N26E3R

not attested not anchored not stored refs pending

The Art Gallery Problem is $\exists \mathbb{R}$-complete

Anna Adamaszek, Mikkel Abrahamsen, Tillmann Miltzow

arxiv:1704.06969 v4 · 2017-04-23 · 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{2L65E3ARO6S6YLL3HNR2N26E3R}

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.

Cited by

1 paper in Pith

Smoothed Analysis of Order Types

Receipt and verification

First computed	2026-05-18T00:16:23.844198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2fdd26c1177a5ec2d7b3b63a6ebc4dc7c3ad09b21c5432f8dd50ae77eb76e32

Aliases

arxiv: 1704.06969 · arxiv_version: 1704.06969v4 · doi: 10.48550/arxiv.1704.06969 · pith_short_12: 2L65E3ARO6S6 · pith_short_16: 2L65E3ARO6S6YLL3 · pith_short_8: 2L65E3AR

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/2L65E3ARO6S6YLL3HNR2N26E3R \
  | 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: d2fdd26c1177a5ec2d7b3b63a6ebc4dc7c3ad09b21c5432f8dd50ae77eb76e32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc70b7f76cd8a14ecffe94cd4d7762a7c0f54506fe304aa23727a7a91aa56a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-04-23T20:05:13Z",
    "title_canon_sha256": "7f059d9716143787a83d3e4b497f20db2872c75ba6f0a2ac6391657d4f183b13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06969",
    "kind": "arxiv",
    "version": 4
  }
}