pith. sign in
Pith Number

pith:4N7L7RFJ

pith:2017:4N7L7RFJSL2NJRKIIDGSL5DHL5
not attested not anchored not stored refs pending

Hemispheric Preference and Cyclic Variation of Solar Filament Chirality from 2000 to 2016

Petrus C. H. Martens, Soumitra Hazra, Sushant S. Mahajan, William Keith Douglas Jr.

arxiv:1711.05758 v2 · 2017-11-15 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4N7L7RFJSL2NJRKIIDGSL5DHL5}

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 2026-05-18T00:03:49.890634Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e37ebfc4a992f4d4c54840cd25f4675f7878d1e4d70a62872515943ecfc402ce

Aliases

arxiv: 1711.05758 · arxiv_version: 1711.05758v2 · doi: 10.48550/arxiv.1711.05758 · pith_short_12: 4N7L7RFJSL2N · pith_short_16: 4N7L7RFJSL2NJRKI · pith_short_8: 4N7L7RFJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4N7L7RFJSL2NJRKIIDGSL5DHL5 \
  | 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: e37ebfc4a992f4d4c54840cd25f4675f7878d1e4d70a62872515943ecfc402ce
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6e1da754ad036006cdd60ca788e01403ffa80cb0fdb3f8da643c1033ac54d27c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-11-15T19:16:50Z",
    "title_canon_sha256": "4190f228e9ec88eaa082d0e68d62eaafd1a3f4b3eb954b13df18054a43230dc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05758",
    "kind": "arxiv",
    "version": 2
  }
}