Pith Number

pith:LW7PXHU4

pith:2018:LW7PXHU44W26YJEIPTH54FMMVX

not attested not anchored not stored refs pending

Design of optical systems with toroidal curved detectors

Eduard Muslimov, Emmanuel Hugot, Gerard R. Lemaitre, Marc Ferrari, Melanie Roulet, Simona Lombardo, Thibault Behaghel

arxiv:1806.08168 v1 · 2018-06-21 · 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{LW7PXHU44W26YJEIPTH54FMMVX}

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	2026-05-18T00:12:41.817675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dbefb9e9ce5b5ec24887ccfde158cadeff6b2b44120275ae59a573eff292c4c

Aliases

arxiv: 1806.08168 · arxiv_version: 1806.08168v1 · doi: 10.48550/arxiv.1806.08168 · pith_short_12: LW7PXHU44W26 · pith_short_16: LW7PXHU44W26YJEI · pith_short_8: LW7PXHU4

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/LW7PXHU44W26YJEIPTH54FMMVX \
  | 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: 5dbefb9e9ce5b5ec24887ccfde158cadeff6b2b44120275ae59a573eff292c4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3788ce077180317f251874e0eda351fc780cfa234e83ae5ca1762de6ce85345",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-06-21T11:09:01Z",
    "title_canon_sha256": "b6a9dd391682436567b32e0a689cf4abacb8700d3e911abbd0f81eced95cad3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08168",
    "kind": "arxiv",
    "version": 1
  }
}