Pith Number

pith:OYD5OIOK

pith:2011:OYD5OIOKP2KGFCWAO2THVIEDNW

not attested not anchored not stored refs pending

Multi-Color Coronagraph Experiment in a Vacuum Testbed with a Binary Shaped Pupil Mask

Kanae Haze, Keigo Enya, Lyu Abe, Takao Nakagawa, Takayuki Kotani, Tomoyasu Yamamuro, Toshimichi Sato

arxiv:1105.2154 v1 · 2011-05-11 · 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{OYD5OIOKP2KGFCWAO2THVIEDNW}

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	2026-05-18T02:02:01.398838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7607d721ca7e94628ac076a67aa0836d99c700e80afe3a9454061a2e456b0474

Aliases

arxiv: 1105.2154 · arxiv_version: 1105.2154v1 · doi: 10.48550/arxiv.1105.2154 · pith_short_12: OYD5OIOKP2KG · pith_short_16: OYD5OIOKP2KGFCWA · pith_short_8: OYD5OIOK

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/OYD5OIOKP2KGFCWAO2THVIEDNW \
  | 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: 7607d721ca7e94628ac076a67aa0836d99c700e80afe3a9454061a2e456b0474

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca379cb9e7d01a29d0d20a94d71526517b891f8d102abedccf9bebf19f38d33f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-05-11T11:26:01Z",
    "title_canon_sha256": "34af71bb39c566929a21b4b64bca41ead4ba601212aa5c7c51512db470e2267f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2154",
    "kind": "arxiv",
    "version": 1
  }
}