Pith Number

pith:OUBBZNBK

pith:2013:OUBBZNBKN2RWAZN5ALXMZ5JG6S

not attested not anchored not stored refs pending

Confined packings of frictionless spheres and polyhedra

IPR), Jean-Fran\c{c}ois Camenen (IFSTTAR/MAST/GPEM), Patrick Richard (IFSTTAR/MAST/GPEM, Yannick Descantes (IFSTTAR/MAST/GPEM)

arxiv:1307.5656 v1 · 2013-07-22 · cond-mat.soft · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUBBZNBKN2RWAZN5ALXMZ5JG6S}

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	2026-05-18T03:17:55.099070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75021cb42a6ea36065bd02eeccf526f49a5120ee4d9388f5c9f8c450abbedc2d

Aliases

arxiv: 1307.5656 · arxiv_version: 1307.5656v1 · doi: 10.48550/arxiv.1307.5656 · pith_short_12: OUBBZNBKN2RW · pith_short_16: OUBBZNBKN2RWAZN5 · pith_short_8: OUBBZNBK

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/OUBBZNBKN2RWAZN5ALXMZ5JG6S \
  | 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: 75021cb42a6ea36065bd02eeccf526f49a5120ee4d9388f5c9f8c450abbedc2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aa5a4ba02296d621cd109f2148a512131a2d078704c50641cd9681a180ca606",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2013-07-22T11:13:26Z",
    "title_canon_sha256": "d9c914beb4035aea1181ec7ad10c15129fd8c8575b46e3db040651fba4191a73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5656",
    "kind": "arxiv",
    "version": 1
  }
}