Pith Number

pith:ONMAUEPM

pith:2012:ONMAUEPMT6NLJGKJKZVYNJ3SFL

not attested not anchored not stored refs pending

MarcoPolo-R narrow angle camera: a three-mirror anastigmat design proposal with a smart finite conjugates refocusing optical system

Demetrio Magrin, Gabriele Cremonese, Jacopo Antichi, Massimiliano Tordi, Roberto Ragazzoni

arxiv:1211.7284 v1 · 2012-11-30 · 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{ONMAUEPMT6NLJGKJKZVYNJ3SFL}

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	2026-05-18T03:39:31.025790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73580a11ec9f9ab49949566b86a7722ae9e0112e70c925ea2527effc251397a5

Aliases

arxiv: 1211.7284 · arxiv_version: 1211.7284v1 · doi: 10.48550/arxiv.1211.7284 · pith_short_12: ONMAUEPMT6NL · pith_short_16: ONMAUEPMT6NLJGKJ · pith_short_8: ONMAUEPM

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/ONMAUEPMT6NLJGKJKZVYNJ3SFL \
  | 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: 73580a11ec9f9ab49949566b86a7722ae9e0112e70c925ea2527effc251397a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a12424b3176c9eaebc4b9e9e96c92e5cbfb8584883a91714c74125449069025b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-11-30T15:11:36Z",
    "title_canon_sha256": "1545e467503303451971695e7842f810e3eab6affc75f8dc4857a010da89f94f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.7284",
    "kind": "arxiv",
    "version": 1
  }
}