Pith Number

pith:JS65EYR6

pith:1993:JS65EYR67WLZI3SLDD36OVLJM6

not attested not anchored not stored refs pending

Gravothermal Expansion in an $N$-Body System

Douglas C. Heggie, Shogo Inagaki, Stephen L.W. McMillan

arxiv:astro-ph/9308046 v1 · 1993-08-31 · 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{JS65EYR67WLZI3SLDD36OVLJM6}

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	2026-05-18T01:40:26.584586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cbdd2623efd97946e4b18f7e755696783aa5a90da294065187d77dfb3dc975b

Aliases

arxiv: astro-ph/9308046 · arxiv_version: astro-ph/9308046v1 · doi: 10.48550/arxiv.astro-ph/9308046 · pith_short_12: JS65EYR67WLZ · pith_short_16: JS65EYR67WLZI3SL · pith_short_8: JS65EYR6

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/JS65EYR67WLZI3SLDD36OVLJM6 \
  | 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: 4cbdd2623efd97946e4b18f7e755696783aa5a90da294065187d77dfb3dc975b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d01652e2c51d22bacd46aadd8d75a2261d6dfcc924da68187fbb27e25b53de19",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-08-31T10:45:17Z",
    "title_canon_sha256": "a9b00bc7677ddd8350a81f026cd60d2f4536ecf157e2f5177d401130beb8cd09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9308046",
    "kind": "arxiv",
    "version": 1
  }
}