Pith Number

pith:ZJWWV4WK

pith:2002:ZJWWV4WKQKU6CRY2WB3BDLOF5N

not attested not anchored not stored refs pending

Are Coronae of Magnetically Active Stars Heated by Flares? II. EUV and X-Ray Flare Statistics and the Differential Emission Measure Distribution

Edward F. Guinan, Jeremy J. Drake, Manuel Guedel, Marc Audard, Vinay L. Kashyap

arxiv:astro-ph/0209075 v2 · 2002-09-04 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZJWWV4WKQKU6CRY2WB3BDLOF5N}

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	2026-07-04T16:30:44.052643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca6d6af2ca82a9e1471ab07611adc5eb5b1d4ea10a10099137b2ca2f4b5ae636

Aliases

arxiv: astro-ph/0209075 · arxiv_version: astro-ph/0209075v2 · doi: 10.48550/arxiv.astro-ph/0209075 · pith_short_12: ZJWWV4WKQKU6 · pith_short_16: ZJWWV4WKQKU6CRY2 · pith_short_8: ZJWWV4WK

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/ZJWWV4WKQKU6CRY2WB3BDLOF5N \
  | 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: ca6d6af2ca82a9e1471ab07611adc5eb5b1d4ea10a10099137b2ca2f4b5ae636

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f376dfb387862de045c8866db94c51533771963af8c084a47d0e1967e162ddae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-04T18:43:00Z",
    "title_canon_sha256": "153c6d5c80b7d40fe9ce16c00b0c33b35838fe951140ba92c2777ee4ed8d8b03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209075",
    "kind": "arxiv",
    "version": 2
  }
}