Pith Number

pith:A6GUFGIK

pith:2019:A6GUFGIKSJ2PCXGFOMLBWCZM5T

not attested not anchored not stored refs pending

Electric sails are potentially more effective than light sails near most stars

Abraham Loeb, Manasvi Lingam

arxiv:1911.02765 v3 · 2019-11-07 · physics.space-ph · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6GUFGIKSJ2PCXGFOMLBWCZM5T}

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.

Cited by

1 paper in Pith

Testing Black Holes with Interstellar Missions: I. Orbiting Probes

Receipt and verification

First computed	2026-07-05T00:27:19.708850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

078d42990a9274f15cc573161b0b2cece4ed8e9430237f501292714c801f7bf9

Aliases

arxiv: 1911.02765 · arxiv_version: 1911.02765v3 · doi: 10.48550/arxiv.1911.02765 · pith_short_12: A6GUFGIKSJ2P · pith_short_16: A6GUFGIKSJ2PCXGF · pith_short_8: A6GUFGIK

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/A6GUFGIKSJ2PCXGFOMLBWCZM5T \
  | 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: 078d42990a9274f15cc573161b0b2cece4ed8e9430237f501292714c801f7bf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "623ec54d1227a0c0dbe5e708b657007e28d21594254e22270922ab1e98f816ff",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2019-11-07T05:53:00Z",
    "title_canon_sha256": "3d1a9fa5c2b73633007f8b5e087be1b42f5fb3996d938ab985b177d3761bb723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.02765",
    "kind": "arxiv",
    "version": 3
  }
}