Pith Number

pith:F64GJH72

pith:2018:F64GJH72L33O33HFQZHFKP4XCZ

not attested not anchored not stored refs pending

Advanced optical designs of curved detectors-based two-mirrors unobscured telescopes

Eduard Muslimov (LAM), Emmanuel Hugot (LAM), Marc Ferrari (LAM), Melanie Roulet, Simona Lombardo (LAM), Thibault Behaghel, Wilfried Jahn (LAM)

arxiv:1805.09071 v1 · 2018-05-23 · 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{F64GJH72L33O33HFQZHFKP4XCZ}

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	2026-05-18T00:15:08.623409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fb8649ffa5ef6edece5864e553f97164253b6d67717979565a45870b83af606

Aliases

arxiv: 1805.09071 · arxiv_version: 1805.09071v1 · doi: 10.48550/arxiv.1805.09071 · pith_short_12: F64GJH72L33O · pith_short_16: F64GJH72L33O33HF · pith_short_8: F64GJH72

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/F64GJH72L33O33HFQZHFKP4XCZ \
  | 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: 2fb8649ffa5ef6edece5864e553f97164253b6d67717979565a45870b83af606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27e399a52ee8b065659fcbee7a36c3c31c03b7a142228051c01f5d94abb8ddfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-23T11:59:30Z",
    "title_canon_sha256": "317f9ceb4b47240755a964ddd3e647dc3a7cef3ba259122ef45c3a31c3e6ce3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09071",
    "kind": "arxiv",
    "version": 1
  }
}