Pith Number

pith:RBBQZFLE

pith:2013:RBBQZFLEND5LTSZOTDIA7ESIE7

not attested not anchored not stored refs pending

Ring-apodized vortex coronagraphs for obscured telescopes. I. Transmissive ring apodizers

Alexis Carlotti, Bertrand Mennesson, Dimitri Mawet, Eugene Serabyn, James K. Wallace, Laurent Pueyo

arxiv:1309.3328 v1 · 2013-09-12 · astro-ph.IM · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBBQZFLEND5LTSZOTDIA7ESIE7}

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	2026-05-18T01:47:42.367748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88430c956468fab9cb2e98d00f924827fff530d0bcae8c40ea7523f1f6568e33

Aliases

arxiv: 1309.3328 · arxiv_version: 1309.3328v1 · doi: 10.48550/arxiv.1309.3328 · pith_short_12: RBBQZFLEND5L · pith_short_16: RBBQZFLEND5LTSZO · pith_short_8: RBBQZFLE

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/RBBQZFLEND5LTSZOTDIA7ESIE7 \
  | 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: 88430c956468fab9cb2e98d00f924827fff530d0bcae8c40ea7523f1f6568e33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2ada96b720fd0e60a5213f4ef46777fb7beecea22750214620b7a2ba02df4a1",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-09-12T23:02:27Z",
    "title_canon_sha256": "724de84580d2daacb96f3beca8f50d04c5b833a9c1fb24eabdde9d485ab0b641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3328",
    "kind": "arxiv",
    "version": 1
  }
}