Pith Number

pith:KO526PB2

pith:2012:KO526PB2TIANCBPSSULUDCINO5

not attested not anchored not stored refs pending

Stratification, segregation and mixing of granular materials in quasi-2D bounded heaps

Julio M. Ottino, Paul B. Umbanhowar, Richard M. Lueptow, Thibault Blanc, Yi Fan, Youcef Boukerkour

arxiv:1209.5676 v1 · 2012-09-25 · 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{KO526PB2TIANCBPSSULUDCINO5}

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	2026-05-18T03:39:41.381067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53bbaf3c3a9a00d105f2951741890d774c1f1c6d61d8866c68425310abf108e7

Aliases

arxiv: 1209.5676 · arxiv_version: 1209.5676v1 · doi: 10.48550/arxiv.1209.5676 · pith_short_12: KO526PB2TIAN · pith_short_16: KO526PB2TIANCBPS · pith_short_8: KO526PB2

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/KO526PB2TIANCBPSSULUDCINO5 \
  | 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: 53bbaf3c3a9a00d105f2951741890d774c1f1c6d61d8866c68425310abf108e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dbdac25fc4a98a702e5f29e1ba49bd81e422b00483a48e4d032f48c617075e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2012-09-25T16:39:31Z",
    "title_canon_sha256": "194cfd31b723d212767aef601c0814c54d1efa45b89f5897c81a6b611df0ed18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5676",
    "kind": "arxiv",
    "version": 1
  }
}