Pith Number

pith:MXGIQFIB

pith:2025:MXGIQFIB4KU2IAQS4MN7QKLSAZ

not attested not anchored not stored refs pending

No Planet around the K Giant Star 42 Draconis

Artie P. Hatzes, Jana K\"ohler, Marie Karjalainen, Michael Hartmann, Volker Perdelwitz

arxiv:2505.05260 v1 · 2025-05-08 · 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{MXGIQFIB4KU2IAQS4MN7QKLSAZ}

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	2026-07-05T11:00:21.621390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65cc881501e2a9a40212e31bf829720651bb5c741c8bd22fb73a84799fb89a66

Aliases

arxiv: 2505.05260 · arxiv_version: 2505.05260v1 · doi: 10.48550/arxiv.2505.05260 · pith_short_12: MXGIQFIB4KU2 · pith_short_16: MXGIQFIB4KU2IAQS · pith_short_8: MXGIQFIB

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/MXGIQFIB4KU2IAQS4MN7QKLSAZ \
  | 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: 65cc881501e2a9a40212e31bf829720651bb5c741c8bd22fb73a84799fb89a66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f746214cc7ecbea852455c22d77b3e0169f392101cc60058d1ccb6905b82972",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-05-08T14:06:00Z",
    "title_canon_sha256": "c156414eb30e53097fc79355772040da7b915deb4f93b5980846ec5e02ffd7c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.05260",
    "kind": "arxiv",
    "version": 1
  }
}