Pith Number

pith:X765G7FY

pith:2011:X765G7FYS53MGYYVY2VTDC4BDI

not attested not anchored not stored refs pending

Permeability of mixed soft and hard granular material: hydrogels as drainage modifiers

Douglas J. Durian, Emilie Verneuil

arxiv:1103.4338 v1 · 2011-03-22 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X765G7FYS53MGYYVY2VTDC4BDI}

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	2026-05-18T04:26:12.525142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bffdd37cb89776c36315c6ab318b811a143ffa4288f357c7d31ee3a8511fb4f0

Aliases

arxiv: 1103.4338 · arxiv_version: 1103.4338v1 · doi: 10.48550/arxiv.1103.4338 · pith_short_12: X765G7FYS53M · pith_short_16: X765G7FYS53MGYYV · pith_short_8: X765G7FY

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/X765G7FYS53MGYYVY2VTDC4BDI \
  | 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: bffdd37cb89776c36315c6ab318b811a143ffa4288f357c7d31ee3a8511fb4f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c23d5c541c555f85c4c7e872d5712365f00180ceb26838684ea41378293bff3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2011-03-22T18:23:44Z",
    "title_canon_sha256": "301f543a7cc2c9b43e2824425584292654ac168e0763cf663f5981a5e8b86363"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4338",
    "kind": "arxiv",
    "version": 1
  }
}