Pith Number

pith:J7Y74AXT

pith:2025:J7Y74AXTVS64OUANMBHMPXIIUZ

not attested not anchored not stored refs pending

Introducing STARDIS: An Open and Modular Stellar Spectral Synthesis Code

Andrew Fullard, Christian Vogl, Christopher J. Fontes, Isaac G. Smith, Jaladh Singhal, Jing Lu, Joshua V. Shields, Ryan Groneck, Tiago M. D. Pereira, Wolfgang Kerzendorf

arxiv:2504.17762 v2 · 2025-04-24 · astro-ph.SR · 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{J7Y74AXTVS64OUANMBHMPXIIUZ}

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	2026-07-05T10:53:55.816648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ff1fe02f3acbdc7500d604ec7dd08a64ff03bf0a2780f5f2a90bc807df1a363

Aliases

arxiv: 2504.17762 · arxiv_version: 2504.17762v2 · doi: 10.48550/arxiv.2504.17762 · pith_short_12: J7Y74AXTVS64 · pith_short_16: J7Y74AXTVS64OUAN · pith_short_8: J7Y74AXT

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/J7Y74AXTVS64OUANMBHMPXIIUZ \
  | 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: 4ff1fe02f3acbdc7500d604ec7dd08a64ff03bf0a2780f5f2a90bc807df1a363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff77f4ba0037260685d06f1caba89a7499e4de7af0104cbd57aa2d5b97b1ffa0",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-04-24T17:26:23Z",
    "title_canon_sha256": "9cf0be16f0471199fc06b22aac11a5460f7095be7df3d05a11bb7c036e463b39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17762",
    "kind": "arxiv",
    "version": 2
  }
}