Pith Number

pith:UDEDSMKZ

pith:2013:UDEDSMKZLNNUSXZLPWETCSLXQC

not attested not anchored not stored refs pending

Local origin of global contact numbers in frictional ellipsoid packings

Fabian M. Schaller, Gary Delaney, Gerd E. Schr\"oder-Turk, Matthias Schr\"oter, Max Neudecker, Mohammad Saadatfar

arxiv:1312.1327 v3 · 2013-12-04 · cond-mat.soft · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDEDSMKZLNNUSXZLPWETCSLXQC}

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	2026-05-18T01:29:21.973132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0c83931595b5b495f2b7d8931497780abf3e64276ef967658be679cfd75dafc

Aliases

arxiv: 1312.1327 · arxiv_version: 1312.1327v3 · doi: 10.48550/arxiv.1312.1327 · pith_short_12: UDEDSMKZLNNU · pith_short_16: UDEDSMKZLNNUSXZL · pith_short_8: UDEDSMKZ

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/UDEDSMKZLNNUSXZLPWETCSLXQC \
  | 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: a0c83931595b5b495f2b7d8931497780abf3e64276ef967658be679cfd75dafc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a079924ae1fd57bd69ca74141efefe4ce938ef1a3565ddaaeba317943926d0c1",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2013-12-04T20:56:18Z",
    "title_canon_sha256": "1d7307a251917ab26ef1e43381d141976813529ea51b57848c1ede41073aeb1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1327",
    "kind": "arxiv",
    "version": 3
  }
}