Pith Number

pith:UEXRGHTZ

pith:2018:UEXRGHTZYQEBJ5SL72BROFPX6A

not attested not anchored not stored refs pending

Magnetic Helicity from Multipolar Regions on the Solar Surface

(2) Nordita, 3, (3) JILA, 4, (4) Department of Astronomy, 5) ((1) Space Research Institute, (5) Laboratory for Atmospheric, AlbaNova University Center, Austrian Academy of Sciences, Axel Brandenburg (2, Boulder/USA, Boulder/USA), Department of Astrophysical, Graz/Austria, KTH Royal Institute of Technology, Philippe-A. Bourdin (1), Planetary Sciences, Space Physics, Stockholm/Sweden, Stockholm University, University of Colorado

arxiv:1804.04160 v2 · 2018-04-11 · astro-ph.SR · physics.plasm-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{UEXRGHTZYQEBJ5SL72BROFPX6A}

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	2026-05-17T23:58:48.128076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a12f131e79c40814f64bfe831715f7f00a385c96301635618620df68cb24c18a

Aliases

arxiv: 1804.04160 · arxiv_version: 1804.04160v2 · doi: 10.48550/arxiv.1804.04160 · pith_short_12: UEXRGHTZYQEB · pith_short_16: UEXRGHTZYQEBJ5SL · pith_short_8: UEXRGHTZ

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/UEXRGHTZYQEBJ5SL72BROFPX6A \
  | 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: a12f131e79c40814f64bfe831715f7f00a385c96301635618620df68cb24c18a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a23b72b70f19d8f128d452d9f3dcfb6c10f7817ebf51925b8dc4ab6063513115",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-11T18:34:40Z",
    "title_canon_sha256": "c8b1e4b0ca781de1db7d501d3347f8354fe5e4a21127afa4dd7cf84754efcf19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04160",
    "kind": "arxiv",
    "version": 2
  }
}