Pith Number

pith:4PPRA74V

pith:2019:4PPRA74VDLVM74RFXNBMNBMAKY

not attested not anchored not stored refs pending

Lyman-alpha Variability During Solar Flares Over Solar Cycle 24 Using GOES-15/EUVS-E

Hugh S. Hudson, Iain G. Hannah, Laura A. Hayes, Phillip C. Chamberlin, Ryan O.Milligan

arxiv:1910.01364 v2 · 2019-10-03 · 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{4PPRA74VDLVM74RFXNBMNBMAKY}

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.

Cited by

1 paper in Pith

Signatures of photospheric convection throughout the solar atmosphere: the EVE Sun-as-a-star mHz continuum

Receipt and verification

First computed	2026-07-05T01:29:41.883399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3df107f951aeacff225bb42c68580561e3ee2afb2ccf47e890be0110c31d494

Aliases

arxiv: 1910.01364 · arxiv_version: 1910.01364v2 · doi: 10.48550/arxiv.1910.01364 · pith_short_12: 4PPRA74VDLVM · pith_short_16: 4PPRA74VDLVM74RF · pith_short_8: 4PPRA74V

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/4PPRA74VDLVM74RFXNBMNBMAKY \
  | 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: e3df107f951aeacff225bb42c68580561e3ee2afb2ccf47e890be0110c31d494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65c8b6f6b03badbf010c4b40c042f80f9aa459aafc8c3c1e9359a0b1505a661b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-10-03T09:04:25Z",
    "title_canon_sha256": "2f256a27ff201c560f3252adcbaf61402303618cf50df8c7d2542488859be64c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.01364",
    "kind": "arxiv",
    "version": 2
  }
}