Pith Number

pith:HXY5Q4QI

pith:2014:HXY5Q4QITVUVTR4ZSDVK4DAZVY

not attested not anchored not stored refs pending

A 33 year constancy of the X-ray coronae of AR Lac and eclipse diagnosis of scale height

Bradford J. Wargelin, David P. Huenemoerder, Deron O. Pease, Jeremy J. Drake, Peter Ratzlaff, Vinay Kashyap

arxiv:1401.7346 v1 · 2014-01-28 · 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{HXY5Q4QITVUVTR4ZSDVK4DAZVY}

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	2026-05-18T01:45:11.448581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3df1d872089d6959c79990eaae0c19ae05b7ca512678784d9b121da093432ec0

Aliases

arxiv: 1401.7346 · arxiv_version: 1401.7346v1 · doi: 10.48550/arxiv.1401.7346 · pith_short_12: HXY5Q4QITVUV · pith_short_16: HXY5Q4QITVUVTR4Z · pith_short_8: HXY5Q4QI

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/HXY5Q4QITVUVTR4ZSDVK4DAZVY \
  | 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: 3df1d872089d6959c79990eaae0c19ae05b7ca512678784d9b121da093432ec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ae88fbb5ca6b37f29d6671b47582b1d3492726fc06144369ba6c262fb6b3dd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-28T21:32:39Z",
    "title_canon_sha256": "ebc29d9327d39dd3f33f6c52c4fa4ea9f6154bcf2f37480b1cb5ba07b10e41da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7346",
    "kind": "arxiv",
    "version": 1
  }
}