Pith Number

pith:UPBJCXLT

pith:2018:UPBJCXLTEEFTY4Y6I67DE7TYDL

not attested not anchored not stored refs pending

Formation of eyes in large-scale cyclonic vortices

Emmanuel Dormy, Ludivine Oruba, Peter Davidson

arxiv:1802.01205 v1 · 2018-02-04 · physics.flu-dyn · physics.ao-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{UPBJCXLTEEFTY4Y6I67DE7TYDL}

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	2026-05-18T00:24:27.059591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3c2915d73210b3c731e47be327e781ae92099e518d616d3affeb8e7dcd5881f

Aliases

arxiv: 1802.01205 · arxiv_version: 1802.01205v1 · doi: 10.48550/arxiv.1802.01205 · pith_short_12: UPBJCXLTEEFT · pith_short_16: UPBJCXLTEEFTY4Y6 · pith_short_8: UPBJCXLT

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/UPBJCXLTEEFTY4Y6I67DE7TYDL \
  | 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: a3c2915d73210b3c731e47be327e781ae92099e518d616d3affeb8e7dcd5881f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc4f4244da60eb55bf1012d4a67e0622524941111f379a148ef72a1258334bca",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-02-04T22:15:16Z",
    "title_canon_sha256": "9f8890f9067c8a5700ba0a8c2db6c87229173dc422de241fa94368ec0befafff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01205",
    "kind": "arxiv",
    "version": 1
  }
}