Pith Number

pith:H5JHYXTI

pith:2015:H5JHYXTIIAGCSP5N53W2H3NJBD

not attested not anchored not stored refs pending

Demonstration of high contrast with an obscured aperture with the WFIRST-AFTA shaped pupil coronagraph

A. J. Eldorado Riggs, Andreas Kuhnert, Bijan Nemati, Brian Kern, Camilo Mejia Prada, Eric Cady, Ilya Poberezhskiy, Kunjithapatham Balasubramanian, Neil Zimmerman, N. Jeremy Kasdin, Robert Zimmer, Rosemary Diaz, Xin An

arxiv:1511.01882 v1 · 2015-11-05 · 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{H5JHYXTIIAGCSP5N53W2H3NJBD}

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	2026-05-18T01:27:39.571077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f527c5e68400c293fadeeeda3eda908f76ebbda3c4c268bf1bd37f4f9465af7

Aliases

arxiv: 1511.01882 · arxiv_version: 1511.01882v1 · doi: 10.48550/arxiv.1511.01882 · pith_short_12: H5JHYXTIIAGC · pith_short_16: H5JHYXTIIAGCSP5N · pith_short_8: H5JHYXTI

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/H5JHYXTIIAGCSP5N53W2H3NJBD \
  | 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: 3f527c5e68400c293fadeeeda3eda908f76ebbda3c4c268bf1bd37f4f9465af7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1945908ab8345bdeaaac64c0269f7f7626d0f9b6115c204af993691b36b4b4e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-11-05T20:17:22Z",
    "title_canon_sha256": "ef85f4e5a7c37ac60bbda2b20b9d2676f8664eccb08e4ff6fa473fc46015ec77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01882",
    "kind": "arxiv",
    "version": 1
  }
}