Pith Number

pith:UNKGTM4J

pith:2018:UNKGTM4JM4FGJKPJM35AWQLL5O

not attested not anchored not stored refs pending

Brazil Nut Effect in Roads that Allow Cars and Motorbikes to Pass Through

Desyana Olenka Margaretta, Donny Dwiputra, Dui Yanto Rahman, Euis Sustini, Fisca Dian Utami, Mikrajuddin Abdullah

arxiv:1806.03999 v1 · 2018-06-08 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNKGTM4JM4FGJKPJM35AWQLL5O}

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	2026-05-18T00:13:38.869349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a35469b389670a64a9e966fa0b416bebb478eb11d604cbe720bb7b261074d2a6

Aliases

arxiv: 1806.03999 · arxiv_version: 1806.03999v1 · doi: 10.48550/arxiv.1806.03999 · pith_short_12: UNKGTM4JM4FG · pith_short_16: UNKGTM4JM4FGJKPJ · pith_short_8: UNKGTM4J

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/UNKGTM4JM4FGJKPJM35AWQLL5O \
  | 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: a35469b389670a64a9e966fa0b416bebb478eb11d604cbe720bb7b261074d2a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aecf52214c5227dd9e3a04e00784d61d6074015dc148ba61e5fb349f97e33125",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-06-08T04:24:59Z",
    "title_canon_sha256": "9efd183a0bff9fb85d52797b88cc5188b2229702f5a974157d36df88985cd08d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03999",
    "kind": "arxiv",
    "version": 1
  }
}