Pith Number

pith:YRFI4GIM

pith:2017:YRFI4GIMRUHTI7LSHVQWUQ74R5

not attested not anchored not stored refs pending

Extremal solutions to some art gallery and terminal-pairability problems

Tam\'as R\'obert Mezei

arxiv:1708.08691 v2 · 2017-08-29 · math.CO · 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{YRFI4GIMRUHTI7LSHVQWUQ74R5}

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	2026-05-18T00:31:02.486137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c44a8e190c8d0f347d723d616a43fc8f76adf2df92b022269d0881c3a7d75a69

Aliases

arxiv: 1708.08691 · arxiv_version: 1708.08691v2 · doi: 10.48550/arxiv.1708.08691 · pith_short_12: YRFI4GIMRUHT · pith_short_16: YRFI4GIMRUHTI7LS · pith_short_8: YRFI4GIM

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/YRFI4GIMRUHTI7LSHVQWUQ74R5 \
  | 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: c44a8e190c8d0f347d723d616a43fc8f76adf2df92b022269d0881c3a7d75a69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48d0054e7ef776453013f9e00dc81d31fb531473bab69a2a6f63f4a8a139ac33",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-08-29T10:50:58Z",
    "title_canon_sha256": "29a7287ce71d87e13951e19d754ef568f30186f2af118e34799096d0fda28ed7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08691",
    "kind": "arxiv",
    "version": 2
  }
}