Pith Number

pith:OKG5DQFE

pith:2015:OKG5DQFEWO4CNOGYHLCJ7KTLUY

not attested not anchored not stored refs pending

Rigid Origami Vertices: Conditions and Forcing Sets

David Eppstein, Erik D. Demaine, Jason Cantarella, Jason S. Ku, Robert J. Lang, Thomas C. Hull, Tomohiro Tachi, Zachary Abel

arxiv:1507.01644 v1 · 2015-07-06 · math.MG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OKG5DQFEWO4CNOGYHLCJ7KTLUY}

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	2026-05-18T01:09:29.778604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

728dd1c0a4b3b826b8d83ac49faa6ba602b566c29f60b7da8e56e243f7e9a363

Aliases

arxiv: 1507.01644 · arxiv_version: 1507.01644v1 · doi: 10.48550/arxiv.1507.01644 · pith_short_12: OKG5DQFEWO4C · pith_short_16: OKG5DQFEWO4CNOGY · pith_short_8: OKG5DQFE

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/OKG5DQFEWO4CNOGYHLCJ7KTLUY \
  | 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: 728dd1c0a4b3b826b8d83ac49faa6ba602b566c29f60b7da8e56e243f7e9a363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "600a920f87c4f588c232b175ec88d224ee2650893aa1b0df229e5deb97714def",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-07-06T23:38:05Z",
    "title_canon_sha256": "e98fab0d9d9105850a86a5e13a1a197adb263833d92fdf88fcf781840cad05b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01644",
    "kind": "arxiv",
    "version": 1
  }
}