Pith Number

pith:EWF3RUDE

pith:1999:EWF3RUDEQGDIL6ZWAD2YFMDMIN

not attested not anchored not stored refs pending

The NextGen Model Atmosphere grid: II. Spherically symmetric model atmospheres for giant stars with effective temperatures between 3000 and 6800~K

David R. Alexander (WSU), E. Baron (Univ. of Oklahoma), France Allard (CRAL), Jason Ferguson (WSU), Peter H. Hauschildt (UGA)

arxiv:astro-ph/9907194 v1 · 1999-07-14 · 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{EWF3RUDEQGDIL6ZWAD2YFMDMIN}

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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

Study of photometric and spectral variability of the roAp star HD~210684

Receipt and verification

First computed	2026-07-04T16:11:25.861867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

258bb8d064818685fb3600f582b06c43798308d1ea4f2dea7508a6cd5b60a31b

Aliases

arxiv: astro-ph/9907194 · arxiv_version: astro-ph/9907194v1 · doi: 10.48550/arxiv.astro-ph/9907194 · pith_short_12: EWF3RUDEQGDI · pith_short_16: EWF3RUDEQGDIL6ZW · pith_short_8: EWF3RUDE

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/EWF3RUDEQGDIL6ZWAD2YFMDMIN \
  | 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: 258bb8d064818685fb3600f582b06c43798308d1ea4f2dea7508a6cd5b60a31b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c970ed2ad464f0d428b411c0f9e34f78d9b660a25cfea2a1da1b8d1f0f06ac1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-14T19:50:18Z",
    "title_canon_sha256": "e5f5688efc81cfcadeb2db109656bbb50649dda42d0440d9dcea2d733a82a33b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907194",
    "kind": "arxiv",
    "version": 1
  }
}