Pith Number

pith:WKBU43OZ

pith:2011:WKBU43OZOV4YEGXE3NUDKFTOYW

not attested not anchored not stored refs pending

Crystalline Assemblies and Densest Packings of a Family of Truncated Tetrahedra and the Role of Directional Entropic Forces

Michael Engel, Pablo F. Damasceno, Sharon C. Glotzer

arxiv:1109.1323 v2 · 2011-09-06 · cond-mat.soft · cond-mat.mtrl-sci · cond-mat.stat-mech · 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{WKBU43OZOV4YEGXE3NUDKFTOYW}

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	2026-05-18T04:03:56.854139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2834e6dd97579821ae4db6835166ec5b97e33424c8b00e4d3278be0e33fac9a

Aliases

arxiv: 1109.1323 · arxiv_version: 1109.1323v2 · doi: 10.48550/arxiv.1109.1323 · pith_short_12: WKBU43OZOV4Y · pith_short_16: WKBU43OZOV4YEGXE · pith_short_8: WKBU43OZ

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/WKBU43OZOV4YEGXE3NUDKFTOYW \
  | 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: b2834e6dd97579821ae4db6835166ec5b97e33424c8b00e4d3278be0e33fac9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08461b9754ee869e649c406d6b2bde36fd7346c616fd0eb4078a44198069e100",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.stat-mech",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2011-09-06T23:08:54Z",
    "title_canon_sha256": "e819c07fc252aeb3e05a1484c31d8119149bfdfb9c22e76098d9c60284238b82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1323",
    "kind": "arxiv",
    "version": 2
  }
}