Pith Number

pith:ZHFI5CBF

pith:2018:ZHFI5CBFP52N4MM6RRY7OA33QQ

not attested not anchored not stored refs pending

Limitations of Chemical Propulsion for Interstellar Escape from Habitable Zones around Low-Mass Stars

Abraham Loeb, Manasvi Lingam

arxiv:1808.08141 v2 · 2018-08-24 · physics.pop-ph · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHFI5CBFP52N4MM6RRY7OA33QQ}

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	2026-05-18T00:06:36.785352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9ca8e88257f74de319e8c71f7037b84004461491abf983ce178ea25c3d533c7

Aliases

arxiv: 1808.08141 · arxiv_version: 1808.08141v2 · doi: 10.48550/arxiv.1808.08141 · pith_short_12: ZHFI5CBFP52N · pith_short_16: ZHFI5CBFP52N4MM6 · pith_short_8: ZHFI5CBF

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/ZHFI5CBFP52N4MM6RRY7OA33QQ \
  | 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: c9ca8e88257f74de319e8c71f7037b84004461491abf983ce178ea25c3d533c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f35bb8991d0223dacea24f73a7da3d7b36dc379d001464f2fd9733eb6475adac",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2018-08-24T13:59:01Z",
    "title_canon_sha256": "716fa309f1aa2c8d9dcc3dce03d0a1237d3056577a6c9d91db6dc45e7c18775f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08141",
    "kind": "arxiv",
    "version": 2
  }
}