Pith Number

pith:F7QXEG63

pith:2009:F7QXEG632ID7FENTNAN2VF4OXX

not attested not anchored not stored refs pending

Nonlinear force-free coronal magnetic field modelling and preprocessing of vector magnetograms in spherical geometry

B. Inhester, T. Tadesse, T. Wiegelmann

arxiv:0912.1514 v1 · 2009-12-08 · 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{F7QXEG632ID7FENTNAN2VF4OXX}

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	2026-05-18T02:33:57.181423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe1721bdbd207f291b3681baa978ebde9ba25696bc95cba92e47b6dffc929dc

Aliases

arxiv: 0912.1514 · arxiv_version: 0912.1514v1 · doi: 10.48550/arxiv.0912.1514 · pith_short_12: F7QXEG632ID7 · pith_short_16: F7QXEG632ID7FENT · pith_short_8: F7QXEG63

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/F7QXEG632ID7FENTNAN2VF4OXX \
  | 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: 2fe1721bdbd207f291b3681baa978ebde9ba25696bc95cba92e47b6dffc929dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0da4a07cb7388245dcf18bcde7559f305084cd02e6a8460679b8ab85582a9ad0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-08T15:03:50Z",
    "title_canon_sha256": "28a84b61aba7a9f2f69b12ff215a0518e9bcb3aa41019a329ac08f12736211be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1514",
    "kind": "arxiv",
    "version": 1
  }
}