Pith Number

pith:OUWGNIBO

pith:2017:OUWGNIBOVVZAOALMSBJMR4KFR7

not attested not anchored not stored refs pending

Hyperopic Cops and Robbers

A. Bonato, D. Cox, F. Mc Inerney, M.E. Messinger, N.E. Clarke, S. Finbow

arxiv:1710.10112 v1 · 2017-10-27 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUWGNIBOVVZAOALMSBJMR4KFR7}

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	2026-05-18T00:31:54.738728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

752c66a02ead7207016c9052c8f1458fd3942c3b8939e6daed9156093962011e

Aliases

arxiv: 1710.10112 · arxiv_version: 1710.10112v1 · doi: 10.48550/arxiv.1710.10112 · pith_short_12: OUWGNIBOVVZA · pith_short_16: OUWGNIBOVVZAOALM · pith_short_8: OUWGNIBO

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/OUWGNIBOVVZAOALMSBJMR4KFR7 \
  | 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: 752c66a02ead7207016c9052c8f1458fd3942c3b8939e6daed9156093962011e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8319bda1524793bcd095ab4237810a93cd6bdc75355169d32d716c5e595215fc",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-10-27T13:00:49Z",
    "title_canon_sha256": "2d87d4a9561f7240be464a7a8786eadffdd157d4e138324919b0d2cfc0b33b65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10112",
    "kind": "arxiv",
    "version": 1
  }
}