Pith Number

pith:2ORG427K

pith:2026:2ORG427KIYEAVPFAV5PNPGNKEP

not attested not anchored not stored refs pending

pyKurucz: A Pure Python Reimplementation of Kurucz ATLAS12 and SYNTHE for Stellar Spectrum Synthesis

Elliot M. Kim, Yuan-Sen Ting

arxiv:2603.11693 v2 · 2026-03-12 · astro-ph.SR · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ORG427KIYEAVPFAV5PNPGNKEP}

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	2026-05-25T02:01:17.104348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3a26e6bea46080abca0af5ed799aa23dbde836f38dc7aff9ce6cca7a3ba727c

Aliases

arxiv: 2603.11693 · arxiv_version: 2603.11693v2 · doi: 10.48550/arxiv.2603.11693 · pith_short_12: 2ORG427KIYEA · pith_short_16: 2ORG427KIYEAVPFA · pith_short_8: 2ORG427K

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/2ORG427KIYEAVPFAV5PNPGNKEP \
  | 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: d3a26e6bea46080abca0af5ed799aa23dbde836f38dc7aff9ce6cca7a3ba727c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2af562c248ad69dfa6f9d6930e81ebd8d5858b7d9f32ab3b35bbfc55337f2526",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-03-12T09:01:36Z",
    "title_canon_sha256": "1490689b0b9bee071f8ffaab2be25ed0071dad951c2c4389dfcca20c31d2c2b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.11693",
    "kind": "arxiv",
    "version": 2
  }
}