Pith Number

pith:UVR6RNTO

pith:2021:UVR6RNTO3ESDJPJV3NKL7N6S7B

not attested not anchored not stored refs pending

The vector-apodizing phase plate coronagraph: design, current performance, and future development

A. Boehle, A Hedglen, A. J. Bohn, A. M. Glauser, A. Rodack, A. Skemer, B. Carlomagno, B. J. Sutlieff, C. de Jonge, C. Delacroix, C. Marois, C. U. Keller, C. Vall\'ee, D. Patel, D. S. Doelman, E. H. Por, E. Huby, F. Snik, G. Allain, G.P.P.L. Otten, J. Chilcote, J. Codona, J. de Boer, J. L. Birkby, J. Long, J. Lozi, J. Lumbres, J. Males, J. Stone, K. J. Hornburg, K. Miller, K. M. Morzinski, K. Van Gorkom, L.M. Close, L. Schatz, M. J. Escuti, M. Kenworthy, M. Ouellet, M. Wilby, N. Jovanovic, N.Z. Warriner, O. Absil, O. C\^ot\'e, O. Guyon, P. Baudoz, P. Hinz, S. P. Bos, S. Shi, S. Thibault, S. Y. Haffert, T. Groff, W. Taylor, Z. Briesemeister

arxiv:2104.11211 v2 · 2021-04-22 · 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{UVR6RNTO3ESDJPJV3NKL7N6S7B}

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	2026-07-05T03:29:00.790009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a563e8b66ed92434bd35db54bfb7d2f84211fbccde8d1fae6e39d22f66a06b18

Aliases

arxiv: 2104.11211 · arxiv_version: 2104.11211v2 · doi: 10.48550/arxiv.2104.11211 · pith_short_12: UVR6RNTO3ESD · pith_short_16: UVR6RNTO3ESDJPJV · pith_short_8: UVR6RNTO

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/UVR6RNTO3ESDJPJV3NKL7N6S7B \
  | 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: a563e8b66ed92434bd35db54bfb7d2f84211fbccde8d1fae6e39d22f66a06b18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "432de036192e4193176112f04566b1bf1b342ad66bd5bb24747de843a1134e7e",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-04-22T17:46:22Z",
    "title_canon_sha256": "8e5efe32c16d154c8f4c9a72de216acdf4717e9bd6641cea2fef6f6e7e6b59c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11211",
    "kind": "arxiv",
    "version": 2
  }
}