Pith Number

pith:2PIO7KHX

pith:2024:2PIO7KHXWJDKG5KXLM6X6DD3ZN

not attested not anchored not stored refs pending

A 500 pc volume-limited sample of hot subluminous stars I. Space density, scale height, and population properties

A. A. Djupvik, A. A. Soemitro, A. G. Istrate, C. S. Jeffery, D. Schneider, E. M. Green, H. Dawson, I. Pelisoli, J. H. Telting, J. Munday, J. Vos, L. Antunes Amaral, M. Dorsch, M. M. Roth, M. Pritzkuleit, M. Uzundag, M. Vu\v{c}kovi\'c, N. Reindl, R. Culpan, R. H. {\O}stensen, R. Raddi, S. Geier, S. Justham, S. O. Kepler, T. Kupfer, T. Steinmetz, U. Heber, V. Schaffenroth

arxiv:2403.15513 v1 · 2024-03-22 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PIO7KHXWJDKG5KXLM6X6DD3ZN}

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	2026-07-05T07:59:38.314816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3d0efa8f7b246a375575b3d7f0c7bcb745be2dca5be056a27db3c2fdbd92964

Aliases

arxiv: 2403.15513 · arxiv_version: 2403.15513v1 · doi: 10.48550/arxiv.2403.15513 · pith_short_12: 2PIO7KHXWJDK · pith_short_16: 2PIO7KHXWJDKG5KX · pith_short_8: 2PIO7KHX

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/2PIO7KHXWJDKG5KXLM6X6DD3ZN \
  | 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: d3d0efa8f7b246a375575b3d7f0c7bcb745be2dca5be056a27db3c2fdbd92964

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8386882baf2f7b26cfc6c484e251d1bbe02ff68076d15cb69fc81ae58fdccddf",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-03-22T07:35:57Z",
    "title_canon_sha256": "194e3fd14d94690025ac3ed6b881310deb7852ec148757e46b1588f9989ebd97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.15513",
    "kind": "arxiv",
    "version": 1
  }
}