Pith Number

pith:OGTEIQ3M

pith:1999:OGTEIQ3M3LEQLVNOJOJNU4WJZB

not attested not anchored not stored refs pending

Axisymmetric Self-Similar Equilibria of Self-Gravitating Isothermal Systems

Mikhail V. Medvedev, Ramesh Narayan (Harvard/CfA)

arxiv:astro-ph/9910277 v1 · 1999-10-14 · 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{OGTEIQ3M3LEQLVNOJOJNU4WJZB}

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	2026-07-04T16:11:42.640156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71a644436cdac905d5ae4b92da72c9c846a481d40d9beaa3ffb4a31f04ed28c2

Aliases

arxiv: astro-ph/9910277 · arxiv_version: astro-ph/9910277v1 · doi: 10.48550/arxiv.astro-ph/9910277 · pith_short_12: OGTEIQ3M3LEQ · pith_short_16: OGTEIQ3M3LEQLVNO · pith_short_8: OGTEIQ3M

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/OGTEIQ3M3LEQLVNOJOJNU4WJZB \
  | 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: 71a644436cdac905d5ae4b92da72c9c846a481d40d9beaa3ffb4a31f04ed28c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81422e0bacd926493f1f18c82dd079e8ecf1f72b5112ea20f8d8ae3f0ce6368e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-10-14T21:21:40Z",
    "title_canon_sha256": "1c720d397be885106109759e2b2930d5c278b1a2f299186a8183999daf66aca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9910277",
    "kind": "arxiv",
    "version": 1
  }
}