Pith Number

pith:FFEHNCUS

pith:1999:FFEHNCUS7OVBWXFDULU57VYONF

not attested not anchored not stored refs pending

Radius-mass scaling laws for celestial bodies

R. Marques, R. Muradian, S. Carneiro

arxiv:astro-ph/9907129 v1 · 1999-07-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFEHNCUS7OVBWXFDULU57VYONF}

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	2026-05-18T02:40:27.521781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2948768a92fbaa1b5ca3a2e9dfd70e69599eacfe944d1172bda92f571b6fe244

Aliases

arxiv: astro-ph/9907129 · arxiv_version: astro-ph/9907129v1 · doi: 10.48550/arxiv.astro-ph/9907129 · pith_short_12: FFEHNCUS7OVB · pith_short_16: FFEHNCUS7OVBWXFD · pith_short_8: FFEHNCUS

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/FFEHNCUS7OVBWXFDULU57VYONF \
  | 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: 2948768a92fbaa1b5ca3a2e9dfd70e69599eacfe944d1172bda92f571b6fe244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b18440c4c8fe493f065d65bb46a45dd78dc0769d7bc13f93adf9778676e4bfde",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-09T20:08:22Z",
    "title_canon_sha256": "c319a69c855b440c3b37cf9313f46c71a29761f5b1347899f9c2a5c9913c8835"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907129",
    "kind": "arxiv",
    "version": 1
  }
}