Pith Number

pith:OUOGOBYK

pith:1993:OUOGOBYKJO3Q7Z25SS32DWZNUV

not attested not anchored not stored refs pending

Statistics of N-body Simulations I. Equal Masess Before Core Collapse

Douglas C. Heggie, Mirek Giersz

arxiv:astro-ph/9305008 v1 · 1993-05-07 · 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{OUOGOBYKJO3Q7Z25SS32DWZNUV}

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	2026-05-18T01:40:26.710628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

751c67070a4bb70fe75d94b7a1db2da554f9711939f0f4e44cf2265ed7459191

Aliases

arxiv: astro-ph/9305008 · arxiv_version: astro-ph/9305008v1 · doi: 10.48550/arxiv.astro-ph/9305008 · pith_short_12: OUOGOBYKJO3Q · pith_short_16: OUOGOBYKJO3Q7Z25 · pith_short_8: OUOGOBYK

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/OUOGOBYKJO3Q7Z25SS32DWZNUV \
  | 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: 751c67070a4bb70fe75d94b7a1db2da554f9711939f0f4e44cf2265ed7459191

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "375bdd96d55dfd78efceed81059a512257d5e781300a00e551d58de61efeb55c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-05-07T13:29:37Z",
    "title_canon_sha256": "8f9dffe88371ab7962fc955e6c3db22d869fd10c241355e0584221c1f671aeeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9305008",
    "kind": "arxiv",
    "version": 1
  }
}