Pith Number

pith:AI7UTK4D

pith:2026:AI7UTK4DSW4WWDO5NY5I6YC2Q5

not attested not anchored not stored refs pending

Inferring stellar metallicity and elemental abundances from kinematic and spectroscopic data using machine learning -- Implications for exoplanet host stars

A.A. Hakobyan, B.M.T.B. Soares, E. Delgado-Mena, G. Israelian, I. Minchev, N.C. Santos, R. Chertovskih, S.G.Sousa, V. Adibekyan, Zh. Martirosyan

arxiv:2605.18131 v1 · 2026-05-18 · astro-ph.EP · astro-ph.GA · 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{AI7UTK4DSW4WWDO5NY5I6YC2Q5}

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	2026-05-20T00:05:17.595498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

023f49ab8395b96b0ddd6e3a8f605a8746532b085773cde3b845a7e3913dd849

Aliases

arxiv: 2605.18131 · arxiv_version: 2605.18131v1 · doi: 10.48550/arxiv.2605.18131 · pith_short_12: AI7UTK4DSW4W · pith_short_16: AI7UTK4DSW4WWDO5 · pith_short_8: AI7UTK4D

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/AI7UTK4DSW4WWDO5NY5I6YC2Q5 \
  | 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: 023f49ab8395b96b0ddd6e3a8f605a8746532b085773cde3b845a7e3913dd849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caeda5888d7cbe25de943989469ff29cdd803570b59423c529db149cfd75e7b9",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-05-18T09:35:43Z",
    "title_canon_sha256": "273243a9decd017ed6409e7b589de3c1f3093c0d3a8f93d0c9230b7fbfb3731d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18131",
    "kind": "arxiv",
    "version": 1
  }
}