Pith Number

pith:2AY2426G

pith:2022:2AY2426GYGP6ANPEOWRWCQPFCV

not attested not anchored not stored refs pending

Test Problems for Potential Field Source Surface Extrapolations of Solar and Stellar Magnetic Fields

Daniel Verscharen, David Stansby

arxiv:2201.07783 v1 · 2022-01-19 · astro-ph.SR · astro-ph.IM · physics.space-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{2AY2426GYGP6ANPEOWRWCQPFCV}

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	2026-07-05T03:49:56.999944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d031ae6bc6c19fe035e475a36141e51569272aa57592f39dea325607dfc27742

Aliases

arxiv: 2201.07783 · arxiv_version: 2201.07783v1 · doi: 10.48550/arxiv.2201.07783 · pith_short_12: 2AY2426GYGP6 · pith_short_16: 2AY2426GYGP6ANPE · pith_short_8: 2AY2426G

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/2AY2426GYGP6ANPEOWRWCQPFCV \
  | 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: d031ae6bc6c19fe035e475a36141e51569272aa57592f39dea325607dfc27742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0d97ac9ea06a0be3f5319cdd2f76aff7891cc2c2883451da888efb79871d721",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.space-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-01-19T18:42:32Z",
    "title_canon_sha256": "a8c085be85b0b7f46d3b54c289f7967aace04bb1e0632f1b6637a67df03f5c20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07783",
    "kind": "arxiv",
    "version": 1
  }
}