Pith Number

pith:URHBOXWP

pith:2016:URHBOXWPZM43PRIBQOCSV2FSHK

not attested not anchored not stored refs pending

Apodized pupil Lyot coronagraphs for arbitrary apertures. V. Hybrid Shaped Pupil designs for imaging Earth-like planets with future space observatories

Alexis Carlotti, Christopher C. Stark, Laurent Pueyo, Mamadou N'Diaye, Marshall D. Perrin, R\'emi Soummer

arxiv:1601.02614 v1 · 2016-01-11 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{URHBOXWPZM43PRIBQOCSV2FSHK}

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	2026-05-18T01:19:25.073102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a44e175ecfcb39b7c50183852ae8b23a8e8757064b9f566adf9df04d0ff21846

Aliases

arxiv: 1601.02614 · arxiv_version: 1601.02614v1 · doi: 10.48550/arxiv.1601.02614 · pith_short_12: URHBOXWPZM43 · pith_short_16: URHBOXWPZM43PRIB · pith_short_8: URHBOXWP

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/URHBOXWPZM43PRIBQOCSV2FSHK \
  | 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: a44e175ecfcb39b7c50183852ae8b23a8e8757064b9f566adf9df04d0ff21846

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a672cf4134d34034428a4208606ba44b3b69ec458cdaea327176df67c0acf9d",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-01-11T21:00:01Z",
    "title_canon_sha256": "037b61c818e2bc222f873ab69b20957a86e9c455ff3b411bf22093262a4df623"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02614",
    "kind": "arxiv",
    "version": 1
  }
}