Pith Number

pith:ZWHG5BNT

pith:2017:ZWHG5BNTUFDF46QFBJW63KCY3J

not attested not anchored not stored refs pending

Celestial Walk: A Terminating Oblivious Walk for Convex Subdivisions

Olivier Devillers, Victor Ermolaev, Wouter Kuijper

arxiv:1710.01620 v1 · 2017-10-04 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZWHG5BNTUFDF46QFBJW63KCY3J}

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	2026-05-18T00:33:40.353392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd8e6e85b3a1465e7a050a6deda858da79dd543d19eaad8d1e7667d4cb1ce4e0

Aliases

arxiv: 1710.01620 · arxiv_version: 1710.01620v1 · doi: 10.48550/arxiv.1710.01620 · pith_short_12: ZWHG5BNTUFDF · pith_short_16: ZWHG5BNTUFDF46QF · pith_short_8: ZWHG5BNT

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/ZWHG5BNTUFDF46QFBJW63KCY3J \
  | 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: cd8e6e85b3a1465e7a050a6deda858da79dd543d19eaad8d1e7667d4cb1ce4e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e978f7104d30da5e8b235932f7c221288343a8bdbb4f8b45fb230930dc14793e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-10-04T14:32:02Z",
    "title_canon_sha256": "8507c61e5f46d80ff13505e49592d8e11489d1295197f64227d03a36ee1c6621"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01620",
    "kind": "arxiv",
    "version": 1
  }
}