Pith Number

pith:NATDRJBP

pith:2023:NATDRJBPEGVJDSJMKWE6XPPW3D

not attested not anchored not stored refs pending

Laboratory demonstration of the triple-grating vector vortex coronagraph

Axel Potier, David S. Doelman, Ewan S. Douglas, Frans Snik, Garreth Ruane, Kyle Van Gorkom, Mireille Ouellet, Sebastiaan Y. Haffert

arxiv:2309.02053 v1 · 2023-09-05 · 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{NATDRJBPEGVJDSJMKWE6XPPW3D}

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	2026-07-05T06:47:47.165456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

682638a42f21aa91c92c5589ebbdf6d8fca5457afd41737223de884c7dcc67fd

Aliases

arxiv: 2309.02053 · arxiv_version: 2309.02053v1 · doi: 10.48550/arxiv.2309.02053 · pith_short_12: NATDRJBPEGVJ · pith_short_16: NATDRJBPEGVJDSJM · pith_short_8: NATDRJBP

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/NATDRJBPEGVJDSJMKWE6XPPW3D \
  | 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: 682638a42f21aa91c92c5589ebbdf6d8fca5457afd41737223de884c7dcc67fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92764f6803d712d3b0af7998dbd0d739da64e124aa86806a56134a6818b6e05f",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-09-05T08:52:59Z",
    "title_canon_sha256": "c2882335592b8514e7da160322164e529c48cc2f9e6ab5a026bea90919d56b9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.02053",
    "kind": "arxiv",
    "version": 1
  }
}