Pith Number

pith:7AH65X2A

pith:2013:7AH65X2A4K5DT6743EAEH3OUXQ

not attested not anchored not stored refs pending

Understanding shape entropy through local dense packing

Daphne Klotsa, Greg van Anders, Michael Engel, N. Khalid Ahmed, Sharon C. Glotzer

arxiv:1309.1187 v3 · 2013-09-04 · cond-mat.soft · cond-mat.mtrl-sci · cond-mat.stat-mech · physics.bio-ph · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7AH65X2A4K5DT6743EAEH3OUXQ}

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	2026-05-18T02:32:54.427365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f80feedf40e2ba39fbfcd90043edd4bc13a61fcea27169bfaa34efc9c9f1b1ff

Aliases

arxiv: 1309.1187 · arxiv_version: 1309.1187v3 · doi: 10.48550/arxiv.1309.1187 · pith_short_12: 7AH65X2A4K5D · pith_short_16: 7AH65X2A4K5DT674 · pith_short_8: 7AH65X2A

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/7AH65X2A4K5DT6743EAEH3OUXQ \
  | 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: f80feedf40e2ba39fbfcd90043edd4bc13a61fcea27169bfaa34efc9c9f1b1ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2b793444d77545b102ea6a0956eb689104191a1aa22acda817d9517c96c4fc6",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.stat-mech",
      "physics.bio-ph",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2013-09-04T21:09:19Z",
    "title_canon_sha256": "14705bfd4eb612507cab0172c9570edf8a8211a84d47c9f9246970b95240a8da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1187",
    "kind": "arxiv",
    "version": 3
  }
}