Pith Number

pith:V7HG3JIS

pith:2009:V7HG3JISNQ2VJVJWAEMCFCBK2D

not attested not anchored not stored refs pending

Geometrical families of mechanically stable granular packings

Corey S. O'Hern, Guo-Jie Gao, Jerzy Blawzdziewicz

arxiv:0909.0636 v1 · 2009-09-03 · cond-mat.soft · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7HG3JISNQ2VJVJWAEMCFCBK2D}

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	2026-05-18T02:12:00.336226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afce6da5126c3554d536011822882ad0f75c713e4a787f2b59593906c945c132

Aliases

arxiv: 0909.0636 · arxiv_version: 0909.0636v1 · doi: 10.48550/arxiv.0909.0636 · pith_short_12: V7HG3JISNQ2V · pith_short_16: V7HG3JISNQ2VJVJW · pith_short_8: V7HG3JIS

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/V7HG3JISNQ2VJVJWAEMCFCBK2D \
  | 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: afce6da5126c3554d536011822882ad0f75c713e4a787f2b59593906c945c132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b64afcc0acd82ce4e8a5244585cd5f98c3aa07d539720fbb79aa1db365ac343",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2009-09-03T12:05:11Z",
    "title_canon_sha256": "e274c8fddc186306ce4a7ec46c0db57c698049dcd2b8f3177b602f66522b971e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0636",
    "kind": "arxiv",
    "version": 1
  }
}