Pith Number

pith:4ZXEELOX

pith:2013:4ZXEELOX5URASGJXIOE7NTQP4T

not attested not anchored not stored refs pending

Nucleation-free $3D$ rigidity

Ileana Streinu, Jialong Cheng, Meera Sitharam

arxiv:1311.4859 v1 · 2013-11-19 · cs.CG · math.CO · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZXEELOX5URASGJXIOE7NTQP4T}

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	2026-05-18T03:06:43.347914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e66e422dd7ed220919374389f6ce0fe4e018efceb250aca1f6b23c6e76a58440

Aliases

arxiv: 1311.4859 · arxiv_version: 1311.4859v1 · doi: 10.48550/arxiv.1311.4859 · pith_short_12: 4ZXEELOX5URA · pith_short_16: 4ZXEELOX5URASGJX · pith_short_8: 4ZXEELOX

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/4ZXEELOX5URASGJXIOE7NTQP4T \
  | 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: e66e422dd7ed220919374389f6ce0fe4e018efceb250aca1f6b23c6e76a58440

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3850d624e7c70ab20744b8fff9b0298d016ee5a80a15c886d771c3f4b4c0cd21",
    "cross_cats_sorted": [
      "math.CO",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-11-19T20:06:38Z",
    "title_canon_sha256": "7974dd060121626f8d3fabeb653da2471188d76bb9a8a1a9212ba091f0f721ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4859",
    "kind": "arxiv",
    "version": 1
  }
}