Pith Number

pith:FCSG6EF4

pith:2010:FCSG6EF4JSKYKSSQ55QS3ELXR2

not attested not anchored not stored refs pending

Leo-Based Optical/Microwave Terrestrial Communications

Andrew Meulenberg, Rahul Suresh, Shivram Ramanathan

arxiv:1009.5506 v1 · 2010-09-28 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCSG6EF4JSKYKSSQ55QS3ELXR2}

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	2026-05-18T04:40:09.968010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a46f10bc4c95854a50ef612d91778ea6233835edf18332f4b54b23a293245a

Aliases

arxiv: 1009.5506 · arxiv_version: 1009.5506v1 · doi: 10.48550/arxiv.1009.5506 · pith_short_12: FCSG6EF4JSKY · pith_short_16: FCSG6EF4JSKYKSSQ · pith_short_8: FCSG6EF4

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/FCSG6EF4JSKYKSSQ55QS3ELXR2 \
  | 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: 28a46f10bc4c95854a50ef612d91778ea6233835edf18332f4b54b23a293245a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3a8dc3c2abada4db4ab14d5788baf025466463222387687ae968bd851ce21d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-09-28T09:48:55Z",
    "title_canon_sha256": "c66ffebef2f9634ffb9d0bf437decfe40d3337db8bf7bdf513a1e2a1557afdea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5506",
    "kind": "arxiv",
    "version": 1
  }
}