Pith Number

pith:CVD7CAPA

pith:2013:CVD7CAPAHWXT3MR6AG533UZYTM

not attested not anchored not stored refs pending

Exploration of the local solar neighborhood I: Fixed number of probes

Daniel Cartin

arxiv:1304.0500 v1 · 2013-04-01 · 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{CVD7CAPAHWXT3MR6AG533UZYTM}

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	2026-05-18T02:55:11.426768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1547f101e03daf3db23e01bbbdd3389b113fb4641b1372f51d1f0f07b2d62340

Aliases

arxiv: 1304.0500 · arxiv_version: 1304.0500v1 · doi: 10.48550/arxiv.1304.0500 · pith_short_12: CVD7CAPAHWXT · pith_short_16: CVD7CAPAHWXT3MR6 · pith_short_8: CVD7CAPA

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/CVD7CAPAHWXT3MR6AG533UZYTM \
  | 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: 1547f101e03daf3db23e01bbbdd3389b113fb4641b1372f51d1f0f07b2d62340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "366b4567cc168a3cb75d1ae9285bf0b011df55d1a1bc53d2141adff90108d968",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2013-04-01T23:39:49Z",
    "title_canon_sha256": "59dda1faaf7fd67edc1aaa068f88bebd8f8af68a6820608bdbbbc69ea204eaa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0500",
    "kind": "arxiv",
    "version": 1
  }
}