Pith Number

pith:SOJ36Q5O

pith:2009:SOJ36Q5OBMUOVAMV4H27PV5LBG

not attested not anchored not stored refs pending

Unjamming a granular hopper by vibration

A. Garcimartin, A. Janda, D. Maza, E. Clement, E. Kolb, J. Lanuza

arxiv:0907.0114 v1 · 2009-07-01 · 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{SOJ36Q5OBMUOVAMV4H27PV5LBG}

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	2026-05-18T02:13:11.481370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9393bf43ae0b28ea8195e1f5f7d7ab098f2ecf38c6ecb184adf8753d1a110732

Aliases

arxiv: 0907.0114 · arxiv_version: 0907.0114v1 · doi: 10.48550/arxiv.0907.0114 · pith_short_12: SOJ36Q5OBMUO · pith_short_16: SOJ36Q5OBMUOVAMV · pith_short_8: SOJ36Q5O

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/SOJ36Q5OBMUOVAMV4H27PV5LBG \
  | 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: 9393bf43ae0b28ea8195e1f5f7d7ab098f2ecf38c6ecb184adf8753d1a110732

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "653d677fafbffac7a532c75fae54387709e4f535469f270deea6407c6fab7d56",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2009-07-01T10:31:59Z",
    "title_canon_sha256": "ac92e2d83aa4a2aad7390b5f8127c4e3b163a233776351d0d4734236148d6a62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0114",
    "kind": "arxiv",
    "version": 1
  }
}