Pith Number

pith:YJ7QUWZY

pith:2018:YJ7QUWZYXPAM3VD6Y7R2X66NBW

not attested not anchored not stored refs pending

Reconstructing a convex polygon from its $\omega$-cloud

Elena Arseneva, Jean-Lou De Carufel, Prosenjit Bose, Sander Verdonschot

arxiv:1801.02162 v3 · 2018-01-07 · 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{YJ7QUWZYXPAM3VD6Y7R2X66NBW}

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	2026-05-17T23:50:49.331507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c27f0a5b38bbc0cdd47ec7e3abfbcd0d929628de84d89338403c26d332b9966c

Aliases

arxiv: 1801.02162 · arxiv_version: 1801.02162v3 · doi: 10.48550/arxiv.1801.02162 · pith_short_12: YJ7QUWZYXPAM · pith_short_16: YJ7QUWZYXPAM3VD6 · pith_short_8: YJ7QUWZY

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/YJ7QUWZYXPAM3VD6Y7R2X66NBW \
  | 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: c27f0a5b38bbc0cdd47ec7e3abfbcd0d929628de84d89338403c26d332b9966c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c13215f85dc73c686da3aba8f5a7c5dc5a3f7b47643240aecd50bbfc4a916c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-01-07T09:14:08Z",
    "title_canon_sha256": "e72ba138037eb4cd84fe5e997d4194d0637583732c7517483bbee167ec1a392d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02162",
    "kind": "arxiv",
    "version": 3
  }
}