Pith Number

pith:WDYQDUFB

pith:2013:WDYQDUFBIKLEVMN7JVW3FHFWMN

not attested not anchored not stored refs pending

Double ring algorithm of solar active region eruptions within the framework of kinematic dynamo model

Dibyendu Nandy, Soumitra Hazra

arxiv:1302.3133 v1 · 2013-02-13 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDYQDUFBIKLEVMN7JVW3FHFWMN}

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	2026-05-18T02:54:47.134589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0f101d0a142964ab1bf4d6db29cb66373c351937b74cef4e48f1f301635dee4

Aliases

arxiv: 1302.3133 · arxiv_version: 1302.3133v1 · doi: 10.48550/arxiv.1302.3133 · pith_short_12: WDYQDUFBIKLE · pith_short_16: WDYQDUFBIKLEVMN7 · pith_short_8: WDYQDUFB

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/WDYQDUFBIKLEVMN7JVW3FHFWMN \
  | 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: b0f101d0a142964ab1bf4d6db29cb66373c351937b74cef4e48f1f301635dee4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62e1f6155ec5ef9a1faf70b2880d7f46e4be32693c6c36d4e73631a7354182c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-13T15:16:22Z",
    "title_canon_sha256": "159a175a7667889527b71f28db584dffb8ee7291b573b3a125ba04f23e36004e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3133",
    "kind": "arxiv",
    "version": 1
  }
}