Pith Number

pith:QZJTX6TV

pith:2025:QZJTX6TVD5DB2UW7BWNGRWCWUG

not attested not anchored not stored refs pending

Multiple Watchman Routes in Staircase Polygons

Anna Br\"otzner, Bengt J. Nilsson, Christiane Schmidt

arxiv:2507.01940 v1 · 2025-07-02 · 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{QZJTX6TVD5DB2UW7BWNGRWCWUG}

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	2026-07-05T11:30:58.578076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86533bfa751f461d52df0d9a68d856a1a68b5c33c61d7651425c91630f8de17a

Aliases

arxiv: 2507.01940 · arxiv_version: 2507.01940v1 · doi: 10.48550/arxiv.2507.01940 · pith_short_12: QZJTX6TVD5DB · pith_short_16: QZJTX6TVD5DB2UW7 · pith_short_8: QZJTX6TV

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/QZJTX6TVD5DB2UW7BWNGRWCWUG \
  | 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: 86533bfa751f461d52df0d9a68d856a1a68b5c33c61d7651425c91630f8de17a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42a6274541a2c443b3eb4703987831935c3167ff8c874b766d8ee8a7daae7415",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2025-07-02T17:51:11Z",
    "title_canon_sha256": "ea5450cb36b87038819ac0e2051a5c342afa1d8844266a003d93612953ae7c21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01940",
    "kind": "arxiv",
    "version": 1
  }
}