Pith Number

pith:JZSPOEWC

pith:2011:JZSPOEWCCNEF5WGP5T3IEDALML

not attested not anchored not stored refs pending

An approximate hard sphere method for densely packed granular flows

Nicholas Guttenberg

arxiv:1102.2483 v1 · 2011-02-12 · cond-mat.mtrl-sci · cond-mat.soft · physics.comp-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{JZSPOEWCCNEF5WGP5T3IEDALML}

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	2026-05-18T02:03:11.818848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e64f712c213485ed8cfecf6820c0b62c9a1155051dada8b4cd0276f70cc1e52

Aliases

arxiv: 1102.2483 · arxiv_version: 1102.2483v1 · doi: 10.48550/arxiv.1102.2483 · pith_short_12: JZSPOEWCCNEF · pith_short_16: JZSPOEWCCNEF5WGP · pith_short_8: JZSPOEWC

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/JZSPOEWCCNEF5WGP5T3IEDALML \
  | 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: 4e64f712c213485ed8cfecf6820c0b62c9a1155051dada8b4cd0276f70cc1e52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "389267679fc512f1737a2b422fc9a5d87db4ae20b075f3b6dc001f02ae52441a",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-02-12T06:23:00Z",
    "title_canon_sha256": "adafeefe0d818e631bd7c5a0880476adb06b3ffab046c9fad100eb99c64dcbbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2483",
    "kind": "arxiv",
    "version": 1
  }
}