Pith Number

pith:GMA2PNWL

pith:2009:GMA2PNWLOWVTZS27IT43ZAPHCT

not attested not anchored not stored refs pending

Fe I/Fe II ionization equilibrium in cool stars: NLTE versus LTE

Andreas Korn, Frank Grupp, Jianrong Shi, Lyudmila Mashonkina, Thomas Gehren

arxiv:0910.3997 v1 · 2009-10-21 · 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{GMA2PNWLOWVTZS27IT43ZAPHCT}

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	2026-05-18T02:11:13.480291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3301a7b6cb75ab3ccb5f44f9bc81e714ca4a3e27a80e6039bc5c8ba435d96e5e

Aliases

arxiv: 0910.3997 · arxiv_version: 0910.3997v1 · doi: 10.48550/arxiv.0910.3997 · pith_short_12: GMA2PNWLOWVT · pith_short_16: GMA2PNWLOWVTZS27 · pith_short_8: GMA2PNWL

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/GMA2PNWLOWVTZS27IT43ZAPHCT \
  | 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: 3301a7b6cb75ab3ccb5f44f9bc81e714ca4a3e27a80e6039bc5c8ba435d96e5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91a6cd2b31edc7b0b9e2a28e801d9d891338047025bbec8b86e5fb2127cc203e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-21T05:53:18Z",
    "title_canon_sha256": "4a5e68af1fb3b0e2b1cf3703dfe84b8fbd526587f8b7f207652695c544a44fb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3997",
    "kind": "arxiv",
    "version": 1
  }
}