Pith Number

pith:VOVDPE3F

pith:2025:VOVDPE3FOEFURYDJV2FGVDIPRT

not attested not anchored not stored refs pending

MAISTEP -- a new grid-based machine learning tool for inferring stellar parameters I. Ages of giant-planet host stars

Achim Weiss, Benard Nsamba, Juma Kamulali, Nuno C. Santos, Tiago L. Campante, Vardan Adibekyan

arxiv:2502.02176 v1 · 2025-02-04 · astro-ph.SR · astro-ph.EP · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VOVDPE3FOEFURYDJV2FGVDIPRT}

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	2026-07-05T10:28:34.797412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abaa379365710b48e069ae8a6a8d0f8cdf4325a22f287e236bbae80a07af3a6f

Aliases

arxiv: 2502.02176 · arxiv_version: 2502.02176v1 · doi: 10.48550/arxiv.2502.02176 · pith_short_12: VOVDPE3FOEFU · pith_short_16: VOVDPE3FOEFURYDJ · pith_short_8: VOVDPE3F

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/VOVDPE3FOEFURYDJV2FGVDIPRT \
  | 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: abaa379365710b48e069ae8a6a8d0f8cdf4325a22f287e236bbae80a07af3a6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30eaa6131c3525b5859e4c8f10f4137c0ad890a99a456b74c626c769833da0d2",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-02-04T09:48:16Z",
    "title_canon_sha256": "ced2270fa875a7b5d3ea610657a0f18e7f746ecb76ddaeacbbdc145d1116fdd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02176",
    "kind": "arxiv",
    "version": 1
  }
}