Pith Number

pith:NZU7AXJX

pith:2024:NZU7AXJXRDWSHH2FN5ICB5Z5HU

not attested not anchored not stored refs pending

Black Silicon BRDF and Polarization for Coronagraphic Pupil Masks

A. J. Eldorado Riggs, Emory L. Jenkins, Ewan S. Douglas, Kyle J. Van Gorkom, Ramya M. Anche

arxiv:2406.19028 v1 · 2024-06-27 · 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{NZU7AXJXRDWSHH2FN5ICB5Z5HU}

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	2026-07-05T08:37:29.254139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e69f05d3788ed239f456f5020f73d3d2b63be91009c328247cc0b1d95900533

Aliases

arxiv: 2406.19028 · arxiv_version: 2406.19028v1 · doi: 10.48550/arxiv.2406.19028 · pith_short_12: NZU7AXJXRDWS · pith_short_16: NZU7AXJXRDWSHH2F · pith_short_8: NZU7AXJX

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/NZU7AXJXRDWSHH2FN5ICB5Z5HU \
  | 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: 6e69f05d3788ed239f456f5020f73d3d2b63be91009c328247cc0b1d95900533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b4af1dbddd713e43a847fe85b59e1c77b799cb374870ed50eaedee4fb726667",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-06-27T09:28:24Z",
    "title_canon_sha256": "192fe092b9f8d21a3e58d35d540624d4ff92a3f6f5e7bf28d7ce519bc17bda57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.19028",
    "kind": "arxiv",
    "version": 1
  }
}