Pith Number

pith:PRXXIG5J

pith:2022:PRXXIG5JHGKSTGEBE357LLQBQ3

not attested not anchored not stored refs pending

APLC-Optimization: an apodized pupil Lyot coronagraph design survey toolkit

Ananya Sahoo, Bryony F. Nickson, Emiel H. Por, Iva Laginja, James Noss, Kathryn St.Laurent, Laurent Pueyo, Mamadou N'Diaye, Marshall Perrin, Meiji M. Nguyen, Neil T. Zimmerman, Remi Soummer

arxiv:2210.03147 v1 · 2022-10-06 · 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{PRXXIG5JHGKSTGEBE357LLQBQ3}

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	2026-07-05T05:04:16.158496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c6f741ba9399529988126fbf5ae0186c30f1d7bd72b344d9d5f0b89ccbd363e

Aliases

arxiv: 2210.03147 · arxiv_version: 2210.03147v1 · doi: 10.48550/arxiv.2210.03147 · pith_short_12: PRXXIG5JHGKS · pith_short_16: PRXXIG5JHGKSTGEB · pith_short_8: PRXXIG5J

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/PRXXIG5JHGKSTGEBE357LLQBQ3 \
  | 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: 7c6f741ba9399529988126fbf5ae0186c30f1d7bd72b344d9d5f0b89ccbd363e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eaf4a946a4471505a5e960e4c305b69521fa1954971539c0514fa6cc0b05e00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-10-06T18:09:29Z",
    "title_canon_sha256": "f1ab6661733e618025a87e5ae479e2d77367ecfac1be8b95301634433d2b5782"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.03147",
    "kind": "arxiv",
    "version": 1
  }
}