Pith Number

pith:G4YUM2N7

pith:2019:G4YUM2N76IKTSILPIFQDQUM3EL

not attested not anchored not stored refs pending

Wavefront error tolerancing for direct imaging of exo-Earths with a large segmented telescope in space

Emiel H. Por, Iva Laginja, James Noss, Jean-Fran\c{c}ois Sauvage, J. Scott Knight, Kathryn St. Laurent, Laura E. Coyle, Laurent Mugnier, Laurent Pueyo, Lucie Leboulleux, R\'emi Soummer

arxiv:1909.09683 v1 · 2019-09-20 · 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{G4YUM2N76IKTSILPIFQDQUM3EL}

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	2026-07-05T00:06:13.334815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37314669bff21539216f416038519b22c55c58216d9849cfd3967105b89f72a4

Aliases

arxiv: 1909.09683 · arxiv_version: 1909.09683v1 · doi: 10.48550/arxiv.1909.09683 · pith_short_12: G4YUM2N76IKT · pith_short_16: G4YUM2N76IKTSILP · pith_short_8: G4YUM2N7

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/G4YUM2N76IKTSILPIFQDQUM3EL \
  | 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: 37314669bff21539216f416038519b22c55c58216d9849cfd3967105b89f72a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef6fcb4c06c856270972a1e9c7dd6c10e4a133c6d99574e747ab50a6be100600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-09-20T19:15:14Z",
    "title_canon_sha256": "804194d79a409a3ef8a57ac87763bfd8be68a500bac7353e5524a43578e01d51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09683",
    "kind": "arxiv",
    "version": 1
  }
}