Pith Number

pith:M7VOACE2

pith:2016:M7VOACE24HSVSGAQX2AT5GDKNO

not attested not anchored not stored refs pending

Experimental demonstration of binary shaped pupil mask coronagraphs for telescopes with obscured pupils

Aoi Takahashi, Kanae Haze, Keigo Enya, Lyu Abe, Takayuki Kotani, Tomoyasu Yamamuro

arxiv:1603.09374 v1 · 2016-03-30 · 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{M7VOACE24HSVSGAQX2AT5GDKNO}

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	2026-05-18T01:17:58.835693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67eae0089ae1e5591810be813e986a6b95c3c2ebdeafda5231adda888f01c44c

Aliases

arxiv: 1603.09374 · arxiv_version: 1603.09374v1 · doi: 10.48550/arxiv.1603.09374 · pith_short_12: M7VOACE24HSV · pith_short_16: M7VOACE24HSVSGAQ · pith_short_8: M7VOACE2

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/M7VOACE24HSVSGAQX2AT5GDKNO \
  | 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: 67eae0089ae1e5591810be813e986a6b95c3c2ebdeafda5231adda888f01c44c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bc6735ab996d289fc33c3b8fbd312906080cf9170f6098fb377a8304b188c18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-03-30T20:45:23Z",
    "title_canon_sha256": "e2fcded8b118a84700e439d28d2558bdfb7ab0ffc34c3f374e023be470e245bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09374",
    "kind": "arxiv",
    "version": 1
  }
}