Pith Number

pith:HJCDA5WY

pith:2010:HJCDA5WYTTFMJM256OHSOJNIZI

not attested not anchored not stored refs pending

Forward and adjoint quasi-geostrophic models of the geomagnetic secular variation

Alexandre Fournier (IPGP), Dominique Jault (LGIT), Elisabeth Canet (LGIT)

arxiv:1002.2323 v1 · 2010-02-11 · physics.geo-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{HJCDA5WYTTFMJM256OHSOJNIZI}

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	2026-05-18T00:56:47.426885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a443076d89ccac4b35df38f2725a8ca050232623d145d2fe98ea1c6736f2141

Aliases

arxiv: 1002.2323 · arxiv_version: 1002.2323v1 · doi: 10.48550/arxiv.1002.2323 · pith_short_12: HJCDA5WYTTFM · pith_short_16: HJCDA5WYTTFMJM25 · pith_short_8: HJCDA5WY

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/HJCDA5WYTTFMJM256OHSOJNIZI \
  | 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: 3a443076d89ccac4b35df38f2725a8ca050232623d145d2fe98ea1c6736f2141

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca3f519bf01b153ff36f08be52c66b1458a5d249d6d0c79ff00d5092ccd3f458",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2010-02-11T11:59:38Z",
    "title_canon_sha256": "b756bb363915fc5e5aad5cd3c8fd08532705fd48d2bf7b630ee0442d2d40892c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2323",
    "kind": "arxiv",
    "version": 1
  }
}