Pith Number

pith:F7WMIKGP

pith:2012:F7WMIKGPXOB2LJUFSPSRXFAOWC

not attested not anchored not stored refs pending

Potential vorticity dynamics in the framework of disk shallow-water theory: II. Mixed Barotropic-Baroclinic Instability

O. M. Umurhan

arxiv:1203.1686 v1 · 2012-03-08 · astro-ph.SR · 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{F7WMIKGPXOB2LJUFSPSRXFAOWC}

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	2026-05-18T01:58:13.213443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fecc428cfbb83a5a68593e51b940eb083228bfc4374bf7d8d62656eec888a45

Aliases

arxiv: 1203.1686 · arxiv_version: 1203.1686v1 · doi: 10.48550/arxiv.1203.1686 · pith_short_12: F7WMIKGPXOB2 · pith_short_16: F7WMIKGPXOB2LJUF · pith_short_8: F7WMIKGP

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/F7WMIKGPXOB2LJUFSPSRXFAOWC \
  | 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: 2fecc428cfbb83a5a68593e51b940eb083228bfc4374bf7d8d62656eec888a45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79f3753aaa891760134d1b172588c557380397047c66fc16138949e39c06b473",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-08T03:07:45Z",
    "title_canon_sha256": "5c6416b2bce9a9cd1e8235f461cfdfbfaf0be2b0ec569d9553606184686ab0f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1686",
    "kind": "arxiv",
    "version": 1
  }
}