Pith Number

pith:OPJKP5KL

pith:2014:OPJKP5KLXO2SNVPFDLORT3BBYD

not attested not anchored not stored refs pending

EMMI - Electric Solar Wind Sail Facilitated Manned Mars Initiative

Mark Paton, Pekka Janhunen, Sini Merikallio

arxiv:1409.1036 v2 · 2014-09-03 · astro-ph.IM · physics.pop-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{OPJKP5KLXO2SNVPFDLORT3BBYD}

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	2026-05-18T02:04:04.780990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73d2a7f54bbbb526d5e51add19ec21c0d1f27d89c6e10ac6f9b627aac678ca71

Aliases

arxiv: 1409.1036 · arxiv_version: 1409.1036v2 · doi: 10.48550/arxiv.1409.1036 · pith_short_12: OPJKP5KLXO2S · pith_short_16: OPJKP5KLXO2SNVPF · pith_short_8: OPJKP5KL

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/OPJKP5KLXO2SNVPFDLORT3BBYD \
  | 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: 73d2a7f54bbbb526d5e51add19ec21c0d1f27d89c6e10ac6f9b627aac678ca71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4aac5cc1ad7b08e8ddf61056b596e70bcaebe07d46a29adddd0974afaf1578b",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-09-03T11:14:38Z",
    "title_canon_sha256": "eaf00558c0a6d388b4de876f213a4981d87f8afe84a7561b81bc7bc5527228c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1036",
    "kind": "arxiv",
    "version": 2
  }
}