Pith Number

pith:KDNIJNPM

pith:2016:KDNIJNPMIQIOUMIIPUQHNK72VW

not attested not anchored not stored refs pending

Apodized vortex coronagraph designs for segmented aperture telescopes

Dimitri Mawet, Garreth Ruane, Jeffrey Jewell, Laurent Pueyo, Stuart Shaklan

arxiv:1607.06400 v1 · 2016-07-21 · 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{KDNIJNPMIQIOUMIIPUQHNK72VW}

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	2026-05-18T01:10:35.741148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50da84b5ec4410ea31087d2076abfaadb138066f0e83c1cfd68ca65f7ca5edb7

Aliases

arxiv: 1607.06400 · arxiv_version: 1607.06400v1 · doi: 10.48550/arxiv.1607.06400 · pith_short_12: KDNIJNPMIQIO · pith_short_16: KDNIJNPMIQIOUMII · pith_short_8: KDNIJNPM

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/KDNIJNPMIQIOUMIIPUQHNK72VW \
  | 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: 50da84b5ec4410ea31087d2076abfaadb138066f0e83c1cfd68ca65f7ca5edb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09d7f0a507b6811706051fafd0cf1207d8613ab25ef252544cc32aebb90e1d97",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-07-21T17:28:30Z",
    "title_canon_sha256": "23f940903bf3ea0a095b3c0b967d1f055cdfec0637062f69d288430dc62a6217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06400",
    "kind": "arxiv",
    "version": 1
  }
}