Pith Number

pith:XP6KWVM5

pith:2018:XP6KWVM5T4KR7TZATID3OPH7I5

not attested not anchored not stored refs pending

Precision Space Astrometry as a Tool to Find Earth-like Exoplanets

Barbara McArthur, Celine Boehm, Chengxing Zhai, Debra Fischer, Eduardo Bendek, Matthew Muterspaugh, Michael Shao, Olivier Guyon, Slava G. Turyshev

arxiv:1803.03732 v1 · 2018-03-10 · astro-ph.IM · 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{XP6KWVM5T4KR7TZATID3OPH7I5}

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	2026-05-18T00:21:38.329601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbfcab559d9f151fcf209a07b73cff47736e6cecd1aba2d26b6247126c5eb9fa

Aliases

arxiv: 1803.03732 · arxiv_version: 1803.03732v1 · doi: 10.48550/arxiv.1803.03732 · pith_short_12: XP6KWVM5T4KR · pith_short_16: XP6KWVM5T4KR7TZA · pith_short_8: XP6KWVM5

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/XP6KWVM5T4KR7TZATID3OPH7I5 \
  | 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: bbfcab559d9f151fcf209a07b73cff47736e6cecd1aba2d26b6247126c5eb9fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fc3afa3ea456e52bbe5fdfc17f75aa2c7025a9f651b37796f0f1f0f360de107",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-10T01:10:51Z",
    "title_canon_sha256": "7d8702e8c39ae7b6b258d4bba199b727b094702520cbd772cb4de484e214fe9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03732",
    "kind": "arxiv",
    "version": 1
  }
}