Pith Number

pith:4E23GNAC

pith:1995:4E23GNACK6WYS4TWY5DVRKLCL7

not attested not anchored not stored refs pending

Cosmological Simulations with TreeSPH

David H. Weinberg (Ohio State), Lars Hernquist (U.C. Santa Cruz), Neal Katz (U. Washington)

arxiv:astro-ph/9509107 v1 · 1995-09-21 · 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{4E23GNACK6WYS4TWY5DVRKLCL7}

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

1 paper in Pith

Tidal origin of dark-matter free dwarf galaxies in the NGC 1052 group

Receipt and verification

First computed	2026-05-18T04:14:27.905367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e135b3340257ad897276c74758a9625fd6e16c45068748c2c81bf006e2a9ad7f

Aliases

arxiv: astro-ph/9509107 · arxiv_version: astro-ph/9509107v1 · doi: 10.48550/arxiv.astro-ph/9509107 · pith_short_12: 4E23GNACK6WY · pith_short_16: 4E23GNACK6WYS4TW · pith_short_8: 4E23GNAC

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/4E23GNACK6WYS4TWY5DVRKLCL7 \
  | 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: e135b3340257ad897276c74758a9625fd6e16c45068748c2c81bf006e2a9ad7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21c1fa4ecada6ee7e23bc1197dbe168c0e29ac3ef921b89daf2a788fa646a25",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-09-21T02:22:21Z",
    "title_canon_sha256": "48711d5fd0e92513f3f01c8604ea8e47fc5c5aeadc881f76e41dbbae688a5529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9509107",
    "kind": "arxiv",
    "version": 1
  }
}