Pith Number

pith:7QJ5TQKF

pith:1997:7QJ5TQKFCYTLKH5PR7QYO6AAYC

not attested not anchored not stored refs pending

Galaxies in N-body simulations: overcoming the overmerging problem

Alexei Khokhlov (NRL), Anatoly Klypin (NMSU), Andrey Kravtsov (NMSU), Stefan Gottloeber (AIP/NMSU)

arxiv:astro-ph/9708191 v3 · 1997-08-20 · 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{7QJ5TQKFCYTLKH5PR7QYO6AAYC}

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.

Cited by

2 papers in Pith

Information Content of the Cosmic Web

Receipt and verification

First computed	2026-07-04T16:03:12.168215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc13d9c1451626b51faf8fe1877800c0b2078ce705021b789474e56871d21b55

Aliases

arxiv: astro-ph/9708191 · arxiv_version: astro-ph/9708191v3 · doi: 10.48550/arxiv.astro-ph/9708191 · pith_short_12: 7QJ5TQKFCYTL · pith_short_16: 7QJ5TQKFCYTLKH5P · pith_short_8: 7QJ5TQKF

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/7QJ5TQKFCYTLKH5PR7QYO6AAYC \
  | 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: fc13d9c1451626b51faf8fe1877800c0b2078ce705021b789474e56871d21b55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90a8c106c9c275fda12d1f2f6c9123ec98c96c1d4f47d19100be69d65c352d9d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-20T23:53:26Z",
    "title_canon_sha256": "d0ab5d4272f47aed071e9e4c884aedf8ff8cd5269dced3d0d5a2fae23102f142"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708191",
    "kind": "arxiv",
    "version": 3
  }
}