Pith Number

pith:HGX2CJUI

pith:2018:HGX2CJUIMPW2VGYRN2HOFJFYV4

not attested not anchored not stored refs pending

A Semi-Analytical Method for Calculating Revisit Time for Satellite Constellations with Discontinuous Coverage

Nicholas H. Crisp, Peter C.E. Roberts, Sabrina Livadiotti

arxiv:1807.02021 v1 · 2018-07-05 · cs.CE · 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{HGX2CJUIMPW2VGYRN2HOFJFYV4}

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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.

Cited by

1 paper in Pith

A Semi-analytic Method for Rapid Coverage Analysis of a Satellite Using Piecewise Ellipse Models

Receipt and verification

First computed	2026-05-18T00:11:24.449756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39afa1268863edaa9b116e8ee2a4b8af040074b613c4612e806dffab04a89a16

Aliases

arxiv: 1807.02021 · arxiv_version: 1807.02021v1 · doi: 10.48550/arxiv.1807.02021 · pith_short_12: HGX2CJUIMPW2 · pith_short_16: HGX2CJUIMPW2VGYR · pith_short_8: HGX2CJUI

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/HGX2CJUIMPW2VGYRN2HOFJFYV4 \
  | 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: 39afa1268863edaa9b116e8ee2a4b8af040074b613c4612e806dffab04a89a16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a78b6d61774b34aba8f93f5152e2b62198e4173236a9e3ddc71be3777711377",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2018-07-05T14:27:42Z",
    "title_canon_sha256": "064e21f072bc3cff25b46b6a33086566bb1abc6e20ca9ee24ffa05511b10176e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02021",
    "kind": "arxiv",
    "version": 1
  }
}