Pith Number

pith:YNDQW2NV

pith:2017:YNDQW2NVKEC72UD72M6S3OWICD

not attested not anchored not stored refs pending

Edge-Unfolding Nearly Flat Convex Caps

Joseph O'Rourke

arxiv:1707.01006 v4 · 2017-07-04 · cs.CG · 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{YNDQW2NVKEC72UD72M6S3OWICD}

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.

Cited by

1 paper in Pith

Unfolding Polyhedra

Receipt and verification

First computed	2026-07-05T02:04:53.130859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3470b69b55105fd507fd33d2dbac810f88f6a4a58e19dfa381c0290b9a327cc

Aliases

arxiv: 1707.01006 · arxiv_version: 1707.01006v4 · doi: 10.48550/arxiv.1707.01006 · pith_short_12: YNDQW2NVKEC7 · pith_short_16: YNDQW2NVKEC72UD7 · pith_short_8: YNDQW2NV

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/YNDQW2NVKEC72UD72M6S3OWICD \
  | 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: c3470b69b55105fd507fd33d2dbac810f88f6a4a58e19dfa381c0290b9a327cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dbbe90202933de70542607a9f386adcc98eb72e70caf931221512f95fa2437a",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-07-04T14:17:24Z",
    "title_canon_sha256": "9abea06849db34620b64387200a57dd21e1c2954cc3b5e66dfc3203b02fc7a94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01006",
    "kind": "arxiv",
    "version": 4
  }
}