Pith Number

pith:2JCZ7MOC

pith:2010:2JCZ7MOCP6MUZT23YWZGNI6SEV

not attested not anchored not stored refs pending

The Leo Archipelago: A System of Earth-Rings for Communications, Mass-Transport to Space, Solar Power, and Control of Global Warming

Andrew Meulenberg, Karthik Balaji

arxiv:1009.4043 v1 · 2010-09-21 · 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{2JCZ7MOCP6MUZT23YWZGNI6SEV}

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	2026-05-18T04:20:05.501855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2459fb1c27f994ccf5bc5b266a3d225751e14521796d0997204c14de2418735

Aliases

arxiv: 1009.4043 · arxiv_version: 1009.4043v1 · doi: 10.48550/arxiv.1009.4043 · pith_short_12: 2JCZ7MOCP6MU · pith_short_16: 2JCZ7MOCP6MUZT23 · pith_short_8: 2JCZ7MOC

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/2JCZ7MOCP6MUZT23YWZGNI6SEV \
  | 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: d2459fb1c27f994ccf5bc5b266a3d225751e14521796d0997204c14de2418735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95f2ec6d9bb6006d4652b11b5ecaa7cf4f0f6cc2070747c81db797f2c98681c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-09-21T10:17:28Z",
    "title_canon_sha256": "bd18bb56aef3481420613a97ca7d5fb0e907e23e1eda9828d1beb3eeff110a07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4043",
    "kind": "arxiv",
    "version": 1
  }
}