Pith Number

pith:4GO5JZHZ

pith:2013:4GO5JZHZQBTISSQPPMTZFPTT7G

not attested not anchored not stored refs pending

The origin of the helicity hemispheric sign rule reversals in the mean-field solar-type dynamo

D.D. Sokoloff, H. Zhang, K.M. Kuzanyan, V.V. Pipin, Y. Gao

arxiv:1304.2440 v1 · 2013-04-09 · 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{4GO5JZHZQBTISSQPPMTZFPTT7G}

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	2026-05-18T01:50:41.331088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e19dd4e4f98066894a0f7b2792be73f9a9fd205c78e941c97e30982d680360bb

Aliases

arxiv: 1304.2440 · arxiv_version: 1304.2440v1 · doi: 10.48550/arxiv.1304.2440 · pith_short_12: 4GO5JZHZQBTI · pith_short_16: 4GO5JZHZQBTISSQP · pith_short_8: 4GO5JZHZ

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/4GO5JZHZQBTISSQPPMTZFPTT7G \
  | 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: e19dd4e4f98066894a0f7b2792be73f9a9fd205c78e941c97e30982d680360bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9017cd2628b32b1847d1608e58f302aaeb011349daeb100975f57f4def074e62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-09T01:05:09Z",
    "title_canon_sha256": "551970aec33d559ce7284898bb23115d5c64162d405586021756501f3c7ad4cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2440",
    "kind": "arxiv",
    "version": 1
  }
}