Pith Number

pith:IR4DVRFV

pith:2017:IR4DVRFVJHFZ62D4GYRTWVNQHQ

not attested not anchored not stored refs pending

Optimal array of sand fences

Asc\^anio D. Ara\'ujo, Eric J. R. Parteli, Hans J. Herrmann, Izael A. Lima, Jos\'e S. Andrade Jr.

arxiv:1702.05114 v1 · 2017-02-16 · physics.comp-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IR4DVRFVJHFZ62D4GYRTWVNQHQ}

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	2026-05-18T00:50:34.843336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44783ac4b549cb9f687c36233b55b03c0a00c5bbdddbb93a9a6dfce998761e2b

Aliases

arxiv: 1702.05114 · arxiv_version: 1702.05114v1 · doi: 10.48550/arxiv.1702.05114 · pith_short_12: IR4DVRFVJHFZ · pith_short_16: IR4DVRFVJHFZ62D4 · pith_short_8: IR4DVRFV

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/IR4DVRFVJHFZ62D4GYRTWVNQHQ \
  | 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: 44783ac4b549cb9f687c36233b55b03c0a00c5bbdddbb93a9a6dfce998761e2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b7791973cdd359abbec71684682b329789758bfa249d62492b8d60803de976d",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2017-02-16T19:16:42Z",
    "title_canon_sha256": "3585e1c06c3521054eca2528327ab19f3d176dacafcd9b756e1b84d7437a02d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05114",
    "kind": "arxiv",
    "version": 1
  }
}