Pith Number

pith:JGEL6XT7

pith:2014:JGEL6XT7CJZBUDIRYTJ4OOXMDJ

not attested not anchored not stored refs pending

Optimization of starshades: focal plane versus pupil plane

Claude Aime (LAGRANGE, Oca), R\'emi Flamary (LAGRANGE

arxiv:1407.6654 v1 · 2014-07-24 · 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{JGEL6XT7CJZBUDIRYTJ4OOXMDJ}

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	2026-05-18T02:42:07.562277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4988bf5e7f12721a0d11c4d3c73aec1a481d93fc11ff7ab6d9191b874cf3408c

Aliases

arxiv: 1407.6654 · arxiv_version: 1407.6654v1 · doi: 10.48550/arxiv.1407.6654 · pith_short_12: JGEL6XT7CJZB · pith_short_16: JGEL6XT7CJZBUDIR · pith_short_8: JGEL6XT7

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/JGEL6XT7CJZBUDIRYTJ4OOXMDJ \
  | 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: 4988bf5e7f12721a0d11c4d3c73aec1a481d93fc11ff7ab6d9191b874cf3408c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c911e6132c0f6ae51de07d310e6d3c54e9d2ace6d33c8d79957e3d25a7b22d01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-24T17:22:37Z",
    "title_canon_sha256": "8c289dc2ac03412f36218a6b0e7148f7a9dfe9d88d17772538d29ca86aec9c3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6654",
    "kind": "arxiv",
    "version": 1
  }
}