Pith Number

pith:72EJYKAO

pith:2026:72EJYKAOMIDEMFQIBAOF7ZYDQU

not attested not anchored not stored refs pending

Percolation of a cohesive fine particle in a static bed

Jizhi Zhang, Julio M. Ottino, Paul B. Umbanhowar, Qiong Zhang, Richard M. Lueptow

arxiv:2605.19845 v1 · 2026-05-19 · 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{72EJYKAOMIDEMFQIBAOF7ZYDQU}

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	2026-05-20T01:06:17.339942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe889c280e6206461608081c5fe70385085f3345414e14fd32c9264cd8b41e09

Aliases

arxiv: 2605.19845 · arxiv_version: 2605.19845v1 · doi: 10.48550/arxiv.2605.19845 · pith_short_12: 72EJYKAOMIDE · pith_short_16: 72EJYKAOMIDEMFQI · pith_short_8: 72EJYKAO

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/72EJYKAOMIDEMFQIBAOF7ZYDQU \
  | 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: fe889c280e6206461608081c5fe70385085f3345414e14fd32c9264cd8b41e09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a249ef88c8d0d9a4963b31b9fba76455a62b85e4f3a31c5eb6a569c9c031cfc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2026-05-19T13:40:04Z",
    "title_canon_sha256": "18b6aec5dddc30fe78cb20ca77e4abacb09999c24c25838a892181bbac61138b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19845",
    "kind": "arxiv",
    "version": 1
  }
}