Pith Number

pith:V6T6WE4O

pith:2019:V6T6WE4O4V47FZYNSS6XZBVBYR

not attested not anchored not stored refs pending

High-contrast imager for complex aperture telescopes (HiCAT): 5. first results with segmented-aperture coronagraph and wavefront control

A. J. Eldorado Riggs, Ana-Maria Valenzuela, Anand Sivaramakrishnan, Elodie Choquet, Gregory R. Brady, Iva Laginja, Johan Mazoyer, John Hagopian, Kathryn St. Laurent, Keira Brooks, Laurent Pueyo, Lucie Leboulleux, Mamadou N'Diaye, Marshall D. Perrin, Neil T. Zimmerman, Peter Petrone, Remi Soummer, Rob Gontrum, Ron Shiri, Sylvain Egron, Thomas Comeau, Tom Dillon

arxiv:1903.05706 v1 · 2019-03-13 · 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{V6T6WE4O4V47FZYNSS6XZBVBYR}

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	2026-05-17T23:51:16.481582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afa7eb138ee579f2e70d94bd7c86a1c444cd2a510a7bc296c7dc0bd2745ceb31

Aliases

arxiv: 1903.05706 · arxiv_version: 1903.05706v1 · doi: 10.48550/arxiv.1903.05706 · pith_short_12: V6T6WE4O4V47 · pith_short_16: V6T6WE4O4V47FZYN · pith_short_8: V6T6WE4O

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/V6T6WE4O4V47FZYNSS6XZBVBYR \
  | 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: afa7eb138ee579f2e70d94bd7c86a1c444cd2a510a7bc296c7dc0bd2745ceb31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cb869d7d4ab9df678a8f69f8bbe9038b863d456df4891d7c3952ba657d7fab7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-13T20:07:58Z",
    "title_canon_sha256": "fae54fc6b272031ea7484ee16d1341813b91ca75d47cb03d1877132428e0953c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05706",
    "kind": "arxiv",
    "version": 1
  }
}