Pith Number

pith:XTBHG4GI

pith:2020:XTBHG4GILRIOS7ZGCLJ4FR22FX

not attested not anchored not stored refs pending

Minimizing the polarization leakage of geometric-phase coronagraphs with multiple grating pattern combinations

David S. Doelman, Emiel H. Por, Frans Snik, Garreth Ruane, Michael J. Escuti

arxiv:2002.05622 v2 · 2020-02-13 · 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{XTBHG4GILRIOS7ZGCLJ4FR22FX}

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	2026-07-05T00:47:29.313882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcc27370c85c50e97f2612d3c2c75a2dfffd8052160ffb7d448041c5379ed1a5

Aliases

arxiv: 2002.05622 · arxiv_version: 2002.05622v2 · doi: 10.48550/arxiv.2002.05622 · pith_short_12: XTBHG4GILRIO · pith_short_16: XTBHG4GILRIOS7ZG · pith_short_8: XTBHG4GI

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/XTBHG4GILRIOS7ZGCLJ4FR22FX \
  | 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: bcc27370c85c50e97f2612d3c2c75a2dfffd8052160ffb7d448041c5379ed1a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91e84c5bf94f49901ef100be9b10325e317f989499225f49f1dd8ba7352664c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-02-13T16:49:06Z",
    "title_canon_sha256": "763e0042624eacd75db767948f10bc63801e805af289a1e24277dd1a246d71f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.05622",
    "kind": "arxiv",
    "version": 2
  }
}