Pith Number

pith:VNGIPKFV

pith:2020:VNGIPKFVQGPOWBDJEGDEGW4A5L

not attested not anchored not stored refs pending

A new facility for airborne solar astronomy: NASA's WB-57 at the 2017 total solar eclipse

Amir Caspi, Andrei N. Zhukov, Andrew J. Steffl, Cary "Diddle" Klemm, Charles J. Mallini, Constantine C. C. Tsang, Craig E. DeForest, Daniel B. Seaton, Daniel D. Durda, David "DJ" Johnson, Dominic Del Rosso, Donald "DD" Darrow, Edward E. DeLuca, Glenn T. Laurent, Jeff Warner, Joan T. Burkepile, Johanna Lewis, John Collier, John Wiseman, Leon Golub, Mallory Yates, Matthew Jacyna, Matthew J. West, Paul Bryans, Peter T. Gallagher, Philip G. Judge, Steven Tomczyk, the NASA WB-57 2017 Eclipse Observing Team, Thomas "Duster" Parent, Thomas "Tony" Casey, Timothy Propp

arxiv:2004.09658 v1 · 2020-04-20 · astro-ph.IM · astro-ph.SR · physics.plasm-ph · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VNGIPKFVQGPOWBDJEGDEGW4A5L}

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	2026-07-05T01:08:12.943491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab4c87a8b5819eeb04692186435b80eadb3ca985ea71cdbc829f4f21bf7d0b02

Aliases

arxiv: 2004.09658 · arxiv_version: 2004.09658v1 · doi: 10.48550/arxiv.2004.09658 · pith_short_12: VNGIPKFVQGPO · pith_short_16: VNGIPKFVQGPOWBDJ · pith_short_8: VNGIPKFV

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/VNGIPKFVQGPOWBDJEGDEGW4A5L \
  | 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: ab4c87a8b5819eeb04692186435b80eadb3ca985ea71cdbc829f4f21bf7d0b02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34f72133bb740c348453e8d6b64ebacdeb4cfd7cd018594c6368802df6185fa4",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.plasm-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-04-20T22:00:46Z",
    "title_canon_sha256": "779d56a89d4ae2aade941f60408a279c0a7f1bf4ea2bdb93576aa8811079745f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09658",
    "kind": "arxiv",
    "version": 1
  }
}