Pith Number

pith:VZ6LZEF6

pith:2023:VZ6LZEF6P72VF4GULII3HBYC5K

not attested not anchored not stored refs pending

SkyWatch: A Passive Multistatic Radar Network for the Measurement of Object Position and Velocity

Abigail White, Abraham Loeb, Alex Delacroix, Carson Ezell, Eric Masson, Ezra Kelderman, Mitch Randall, Richard Cloete, Sarah Little, Wesley Andr\'es Watters

arxiv:2305.18562 v2 · 2023-05-29 · astro-ph.IM · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VZ6LZEF6P72VF4GULII3HBYC5K}

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	2026-07-05T06:16:02.675623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae7cbc90be7ff552f0d45a11b38702ea9ca1956ed3a6c226f49cb9d1520bb207

Aliases

arxiv: 2305.18562 · arxiv_version: 2305.18562v2 · doi: 10.48550/arxiv.2305.18562 · pith_short_12: VZ6LZEF6P72V · pith_short_16: VZ6LZEF6P72VF4GU · pith_short_8: VZ6LZEF6

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/VZ6LZEF6P72VF4GULII3HBYC5K \
  | 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: ae7cbc90be7ff552f0d45a11b38702ea9ca1956ed3a6c226f49cb9d1520bb207

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a5edf0af88208d17557813ae6d328ed527ec8f16ea462946ad6e11e3dc1c1a8",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-05-29T18:47:55Z",
    "title_canon_sha256": "b0497ea2b7c5ab93b3e544e791cf6e0dd76b5a979bbe45c510ae2570f23467c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.18562",
    "kind": "arxiv",
    "version": 2
  }
}