Pith Number

pith:Z6GGFUTQ

pith:2025:Z6GGFUTQTZKKT3EJCI4LHPXX53

not attested not anchored not stored refs pending

Sweeping $x$-monotone pseudolines

Erin Chambers, G\"unter Rote, Irina Kostitsyna, Therese Biedl

arxiv:2507.21322 v1 · 2025-07-28 · 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{Z6GGFUTQTZKKT3EJCI4LHPXX53}

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	2026-07-05T11:44:57.602017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf8c62d2709e54a9ec891238b3bef7eec76c562f442d0e89eeb9c170981305b8

Aliases

arxiv: 2507.21322 · arxiv_version: 2507.21322v1 · doi: 10.48550/arxiv.2507.21322 · pith_short_12: Z6GGFUTQTZKK · pith_short_16: Z6GGFUTQTZKKT3EJ · pith_short_8: Z6GGFUTQ

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/Z6GGFUTQTZKKT3EJCI4LHPXX53 \
  | 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: cf8c62d2709e54a9ec891238b3bef7eec76c562f442d0e89eeb9c170981305b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce64666887d559f868104f32ddd406effe5adc3ca89cdd388564f25c49d717a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2025-07-28T20:33:00Z",
    "title_canon_sha256": "8ce1be7bf2d81b76def725a7e0bf632b13dd843cb3da6662b73e6104b172257f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21322",
    "kind": "arxiv",
    "version": 1
  }
}