Pith Number

pith:XK44VP44

pith:2017:XK44VP44DJUGHZE4EVZMF4JBT6

not attested not anchored not stored refs pending

Three-dimensional magnetic structure of a sunspot: comparison of the photosphere and upper chromosphere

Andreas Lagg, Jayant Joshi, Johann Hirzberger, Sami K. Solanki

arxiv:1705.08404 v2 · 2017-05-23 · 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{XK44VP44DJUGHZE4EVZMF4JBT6}

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	2026-05-18T00:37:33.640377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bab9cabf9c1a6863e49c2572c2f1219fadddcb53c1968e1dfe476f62212dfc2d

Aliases

arxiv: 1705.08404 · arxiv_version: 1705.08404v2 · doi: 10.48550/arxiv.1705.08404 · pith_short_12: XK44VP44DJUG · pith_short_16: XK44VP44DJUGHZE4 · pith_short_8: XK44VP44

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/XK44VP44DJUGHZE4EVZMF4JBT6 \
  | 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: bab9cabf9c1a6863e49c2572c2f1219fadddcb53c1968e1dfe476f62212dfc2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ed0103d060490e9fb2fe836d111f9dfdc471b044c51771df290fa061e9fa44e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-05-23T16:44:25Z",
    "title_canon_sha256": "029181613edf43ba84e6450f0030b640b36ba52ffc46547ec8ecc8775917835e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08404",
    "kind": "arxiv",
    "version": 2
  }
}