Pith Number

pith:SD3PUYEC

pith:2018:SD3PUYECGTVGUV25NEBRXRFUU5

not attested not anchored not stored refs pending

Solar Polar Diamond Explorer (SPDEx): Understanding the Origins of Solar Activity Using a New Perspective

A. Vourlidas, D. Webb, M. Velli, P. C. Liewer

arxiv:1805.04172 v1 · 2018-05-10 · astro-ph.IM · 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{SD3PUYECGTVGUV25NEBRXRFUU5}

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	2026-05-18T00:16:13.368338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f6fa608234ea6a575d69031bc4b4a746c4288c19f8fd7cf9e2cb8ef5cf5f05

Aliases

arxiv: 1805.04172 · arxiv_version: 1805.04172v1 · doi: 10.48550/arxiv.1805.04172 · pith_short_12: SD3PUYECGTVG · pith_short_16: SD3PUYECGTVGUV25 · pith_short_8: SD3PUYEC

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/SD3PUYECGTVGUV25NEBRXRFUU5 \
  | 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: 90f6fa608234ea6a575d69031bc4b4a746c4288c19f8fd7cf9e2cb8ef5cf5f05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3a9de1c23e03a8cf35c4f42c304cec747d19270f96b1afd33eae4eee9c5c735",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-10T20:40:30Z",
    "title_canon_sha256": "ff9dd530262ce5b3ceac2c35ee9123e029a2ff18fc2dfdecbda726d112897b3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04172",
    "kind": "arxiv",
    "version": 1
  }
}