Pith Number

pith:RRQXW4WD

pith:2013:RRQXW4WDVEL6DGHQYTDDDATG6V

not attested not anchored not stored refs pending

A Broadband Scalar Vortex Coronagraph

R. Errmann, S. Minardi, T. Pertsch

arxiv:1307.4347 v1 · 2013-07-16 · 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{RRQXW4WDVEL6DGHQYTDDDATG6V}

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.

Cited by

1 paper in Pith

SUPPPPRESS: Prototyping and testing liquid-crystal vector vortex coronagraphs with reduced polarization leakage

Receipt and verification

First computed	2026-05-18T01:48:49.541700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c617b72c3a917e198f0c4c6318266f54037c9c1d0c9f6811902c1065677f210

Aliases

arxiv: 1307.4347 · arxiv_version: 1307.4347v1 · doi: 10.48550/arxiv.1307.4347 · pith_short_12: RRQXW4WDVEL6 · pith_short_16: RRQXW4WDVEL6DGHQ · pith_short_8: RRQXW4WD

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/RRQXW4WDVEL6DGHQYTDDDATG6V \
  | 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: 8c617b72c3a917e198f0c4c6318266f54037c9c1d0c9f6811902c1065677f210

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b240c1e46d1b77de91e0cff200912552dac860d2dcca8d8a5fee082f62239c67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-07-16T17:09:46Z",
    "title_canon_sha256": "cd1e74431346e1d122917c4a3ceebfb12395a821d501046bfd20696786dfcc06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4347",
    "kind": "arxiv",
    "version": 1
  }
}