Pith Number

pith:C7M3ZITJ

pith:2025:C7M3ZITJRSGIK3P43HW6RA3N62

not attested not anchored not stored refs pending

Geodesic vortex detection on curved surfaces: Analyzing the 2002 austral stratospheric polar vortex warming event

Fernando Andrade-Canto, Francisco J. Beron-Vera, Gage Bonner

arxiv:2501.03135 v2 · 2025-01-06 · nlin.CD · physics.ao-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{C7M3ZITJRSGIK3P43HW6RA3N62}

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	2026-07-05T10:48:23.956278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17d9bca2698c8c856dfcd9ede8836df69debf86fa8052812fcfb28ce6ee3a628

Aliases

arxiv: 2501.03135 · arxiv_version: 2501.03135v2 · doi: 10.48550/arxiv.2501.03135 · pith_short_12: C7M3ZITJRSGI · pith_short_16: C7M3ZITJRSGIK3P4 · pith_short_8: C7M3ZITJ

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/C7M3ZITJRSGIK3P43HW6RA3N62 \
  | 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: 17d9bca2698c8c856dfcd9ede8836df69debf86fa8052812fcfb28ce6ee3a628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5c7ec8ccc1c116968f39e85f82437c46f9884911bf349792ef221dffc9f653e",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2025-01-06T16:54:49Z",
    "title_canon_sha256": "29635b670a7964de63ddba8f5a1c7c0ebf4cfb7f5b16bdef9f04c355e808eae5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.03135",
    "kind": "arxiv",
    "version": 2
  }
}