Pith Number

pith:OYX44MZ2

pith:2019:OYX44MZ2JQC7H3U37NHK2MKW6B

not attested not anchored not stored refs pending

Laser Communication and Coordination Control of Spacecraft Swarms

Himangshu Kalita, Jekan Thangavelautham, Leonard Vance, Vishnu Reddy

arxiv:1901.08875 v1 · 2019-01-25 · astro-ph.IM · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYX44MZ2JQC7H3U37NHK2MKW6B}

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	2026-05-17T23:55:32.847561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

762fce333a4c05f3ee9bfb4ead3156f07b6b40bce2cee62d23e364995dff4579

Aliases

arxiv: 1901.08875 · arxiv_version: 1901.08875v1 · doi: 10.48550/arxiv.1901.08875 · pith_short_12: OYX44MZ2JQC7 · pith_short_16: OYX44MZ2JQC7H3U3 · pith_short_8: OYX44MZ2

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/OYX44MZ2JQC7H3U37NHK2MKW6B \
  | 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: 762fce333a4c05f3ee9bfb4ead3156f07b6b40bce2cee62d23e364995dff4579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0398cce5c9224683ece6b01e5e3c9691fd9347ec658df12f9c7c0056c22c239",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-01-25T14:06:44Z",
    "title_canon_sha256": "6df54eb4206f5f03e1ca3173b990e82f5aa68c3b8d2abc5e16e8f682117d7235"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08875",
    "kind": "arxiv",
    "version": 1
  }
}