Pith Number

pith:QP7YD2UF

pith:2025:QP7YD2UFVPTAPOTZMEE7EBAZYL

not attested not anchored not stored refs pending

The CHARA Array Polarization Model and Prospects for Spectropolarimetry

Benjamin R. Setterholm, Gail H. Schaefer, Jean-Baptiste Le Bouquin, John D. Monnier, Linling Shuai, Narsireddy Anugu, Stefan Kraus, Tyler Gardner

arxiv:2509.10451 v1 · 2025-09-12 · 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{QP7YD2UFVPTAPOTZMEE7EBAZYL}

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	2026-07-05T12:11:09.967261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ff81ea85abe607ba796109f20419c2c4a5e07801b96888136b98262d490870

Aliases

arxiv: 2509.10451 · arxiv_version: 2509.10451v1 · doi: 10.48550/arxiv.2509.10451 · pith_short_12: QP7YD2UFVPTA · pith_short_16: QP7YD2UFVPTAPOTZ · pith_short_8: QP7YD2UF

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/QP7YD2UFVPTAPOTZMEE7EBAZYL \
  | 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: 83ff81ea85abe607ba796109f20419c2c4a5e07801b96888136b98262d490870

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49f67d267f0300c3839952bba0095a790f846b027731cf6959ee481a861eae6f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-09-12T17:58:22Z",
    "title_canon_sha256": "3f0197f3a5d208eb38e2c6b4cab602c636460781cb7bad2223dcf63d556f00cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.10451",
    "kind": "arxiv",
    "version": 1
  }
}