Pith Number

pith:SG7B4QAI

pith:2012:SG7B4QAI2TWA7JE4PLYK2TMY5M

not attested not anchored not stored refs pending

Coupling Onset of Cyclone Upward and Rotation Flows in a Little Bottle

Shigeo Kawata

arxiv:1210.7872 v1 · 2012-10-30 · physics.pop-ph · 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{SG7B4QAI2TWA7JE4PLYK2TMY5M}

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	2026-05-18T03:41:57.898100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91be1e4008d4ec0fa49c7af0ad4d98eb210b8986f1ac2c2d00f6419e57744477

Aliases

arxiv: 1210.7872 · arxiv_version: 1210.7872v1 · doi: 10.48550/arxiv.1210.7872 · pith_short_12: SG7B4QAI2TWA · pith_short_16: SG7B4QAI2TWA7JE4 · pith_short_8: SG7B4QAI

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/SG7B4QAI2TWA7JE4PLYK2TMY5M \
  | 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: 91be1e4008d4ec0fa49c7af0ad4d98eb210b8986f1ac2c2d00f6419e57744477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fecfc511db4813edb0cae016d0f77f989fe7ef3e11d85fda9a63a8968063c925",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2012-10-30T00:42:07Z",
    "title_canon_sha256": "af80ae12181877f83b8edb8924133ed9030e1d48b7a0d717b2234cb24fa31cb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7872",
    "kind": "arxiv",
    "version": 1
  }
}