Pith Number

pith:NQOAKAPT

pith:2025:NQOAKAPTCSQEZW22Z63LL4LIGF

not attested not anchored not stored refs pending

Instrumental Polarization in Stellar Coronagraphy: Coherent Behavior and its Implications for Dark Hole Optimization

Richard A. Frazin

arxiv:2508.00237 v1 · 2025-08-01 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQOAKAPTCSQEZW22Z63LL4LIGF}

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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

Gratis Mitigation of Polarization Aberration Effects in Coronagraphic Dark Holes

Receipt and verification

First computed	2026-07-05T11:46:51.760836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c1c0501f314a04cdb5acfb6b5f1683143cb20cdc4ccdc12c366850242cddd68

Aliases

arxiv: 2508.00237 · arxiv_version: 2508.00237v1 · doi: 10.48550/arxiv.2508.00237 · pith_short_12: NQOAKAPTCSQE · pith_short_16: NQOAKAPTCSQEZW22 · pith_short_8: NQOAKAPT

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/NQOAKAPTCSQEZW22Z63LL4LIGF \
  | 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: 6c1c0501f314a04cdb5acfb6b5f1683143cb20cdc4ccdc12c366850242cddd68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2e1b472192b1bdffd791a8a70b9b0626a4c04a1d73d990fa267d878c7810dab",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-08-01T00:47:27Z",
    "title_canon_sha256": "43e213ff5e4b5d18125a0e0f858fda4df4f8bbd114187094bfe8837a16ffb30e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00237",
    "kind": "arxiv",
    "version": 1
  }
}