Pith Number

pith:EQX2GLEV

pith:2011:EQX2GLEVWX2ONKYL24L44NC5AP

not attested not anchored not stored refs pending

Improved High Contrast Imaging with On-Axis Telescopes using a Multi-Stage Vortex Coronagraph

Dimitri Mawet, Eugene Serabyn, J. Kent Wallace, Laurent Pueyo

arxiv:1103.1909 v1 · 2011-03-09 · astro-ph.IM · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQX2GLEVWX2ONKYL24L44NC5AP}

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	2026-05-18T02:02:55.415996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

242fa32c95b5f4e6ab0bd717ce345d03ceff9b4a00370561ac192dcce1e94eba

Aliases

arxiv: 1103.1909 · arxiv_version: 1103.1909v1 · doi: 10.48550/arxiv.1103.1909 · pith_short_12: EQX2GLEVWX2O · pith_short_16: EQX2GLEVWX2ONKYL · pith_short_8: EQX2GLEV

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/EQX2GLEVWX2ONKYL24L44NC5AP \
  | 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: 242fa32c95b5f4e6ab0bd717ce345d03ceff9b4a00370561ac192dcce1e94eba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44130bec80da2925270b44dd31bcfac8cddb5a7b4e3b7c98ec4a3cc73b2bc111",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-03-09T22:26:15Z",
    "title_canon_sha256": "2a10be8b37c36e2e72cf0f8e3978f884fdf51fede332c6e3a59e7c6cdad4f180"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1909",
    "kind": "arxiv",
    "version": 1
  }
}