Pith Number

pith:OX6GEUKN

pith:2013:OX6GEUKN62ZWSZQRL2GMB5FKRQ

not attested not anchored not stored refs pending

High Performance Lyot and PIAA Coronagraphy for Arbitrarily shaped Telescope Apertures

2), (2) Subaru Telescope, (3) Jet Propulsion Laboratory, (4) NASA Ames Research Center), Eric Cady (3), Frantz Martinache (2) ((1) University of Arizona, Olivier Guyon (1, Philip H. Hinz (1), Ruslan Belikov (4)

arxiv:1305.6686 v1 · 2013-05-29 · 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{OX6GEUKN62ZWSZQRL2GMB5FKRQ}

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	2026-05-18T01:49:40.435084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75fc62514df6b36966115e8cc0f4aa8c10b754dff0f8e4b6e16a1803ac176bd9

Aliases

arxiv: 1305.6686 · arxiv_version: 1305.6686v1 · doi: 10.48550/arxiv.1305.6686 · pith_short_12: OX6GEUKN62ZW · pith_short_16: OX6GEUKN62ZWSZQR · pith_short_8: OX6GEUKN

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/OX6GEUKN62ZWSZQRL2GMB5FKRQ \
  | 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: 75fc62514df6b36966115e8cc0f4aa8c10b754dff0f8e4b6e16a1803ac176bd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "746cfac1f417d1e599c0181fb80c029a9cbdbc37ff13984790437d4a8e894f1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-05-29T03:47:54Z",
    "title_canon_sha256": "66c598eed2bc9485eea40cee397d1357eb743467082c4ef4d0f7b9e767674738"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6686",
    "kind": "arxiv",
    "version": 1
  }
}