Pith Number

pith:QGVDBIWI

pith:2023:QGVDBIWIOYT7ZTODNIIJDGMBWF

not attested not anchored not stored refs pending

A search for exoplanets around north circumpolar stars. VII. Detection of planetary companion orbiting the largest host star HD 18438

Byeong-Cheol Lee, Gwanghui Jeong, Inwoo Han, Jae-Rim Koo, Myeong-Gu Park, Yeon-ho Choi

arxiv:2303.08357 v1 · 2023-03-15 · 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{QGVDBIWIOYT7ZTODNIIJDGMBWF}

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	2026-07-05T05:55:53.743944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81aa30a2c87627fccdc36a10919981b16e75313d59f5f7c45d5198c49d02a93e

Aliases

arxiv: 2303.08357 · arxiv_version: 2303.08357v1 · doi: 10.48550/arxiv.2303.08357 · pith_short_12: QGVDBIWIOYT7 · pith_short_16: QGVDBIWIOYT7ZTOD · pith_short_8: QGVDBIWI

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/QGVDBIWIOYT7ZTODNIIJDGMBWF \
  | 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: 81aa30a2c87627fccdc36a10919981b16e75313d59f5f7c45d5198c49d02a93e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45d5a40de94463c6ef858fb381700810024751b859f1590c644cf70f2908c12c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-03-15T04:18:53Z",
    "title_canon_sha256": "78502cf6703ffa6bb37d0c2045bab66c5419c85816ef063db7550a9e72f44b01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.08357",
    "kind": "arxiv",
    "version": 1
  }
}