Pith Number

pith:FRWXRQKG

pith:2005:FRWXRQKGZBRAAVHW6RG2TMFGZK

not attested not anchored not stored refs pending

Are Neutral Sunspot Winds Important for Penumbral Dynamics and the First Ionization Potential Effect?

H. Lin, H. Morgan, J. R. Kuhn

arxiv:astro-ph/0509862 v1 · 2005-09-29 · 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{FRWXRQKGZBRAAVHW6RG2TMFGZK}

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	2026-05-18T01:07:26.544678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6d78c146c8620054f6f44da9b0a6ca9b76ec74b12ba87010ace0f699c8c090

Aliases

arxiv: astro-ph/0509862 · arxiv_version: astro-ph/0509862v1 · doi: 10.48550/arxiv.astro-ph/0509862 · pith_short_12: FRWXRQKGZBRA · pith_short_16: FRWXRQKGZBRAAVHW · pith_short_8: FRWXRQKG

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/FRWXRQKGZBRAAVHW6RG2TMFGZK \
  | 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: 2c6d78c146c8620054f6f44da9b0a6ca9b76ec74b12ba87010ace0f699c8c090

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19a4758f9634ef2b453edce83294f186358be90b48cad4064dad8946cb117e9a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-29T00:37:02Z",
    "title_canon_sha256": "d792e54ee102ae155b7b4a3c7b861d0bf2bbedb2f1d1eca08f5137c0fc7205cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509862",
    "kind": "arxiv",
    "version": 1
  }
}