Pith Number

pith:4H2WTTML

pith:2018:4H2WTTML44ENARL4CBTVWTNUFG

not attested not anchored not stored refs pending

Angular momentum evolution of bulge stars in disc galaxies in NIHAO

Aaron A. Dutton, Andrea V. Macci\`o, Claudia del P. Lagos, Danail Obreschkow, Deanne Fisher, Karl Glazebrook, Liang Wang, Sarah M. Sweet, Xi Kang

arxiv:1811.02239 v1 · 2018-11-06 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4H2WTTML44ENARL4CBTVWTNUFG}

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	2026-05-17T23:59:48.629882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1f569cd8be708d0457c10675b4db429b3c3d45b1666ac4568fdc4957babef35

Aliases

arxiv: 1811.02239 · arxiv_version: 1811.02239v1 · doi: 10.48550/arxiv.1811.02239 · pith_short_12: 4H2WTTML44EN · pith_short_16: 4H2WTTML44ENARL4 · pith_short_8: 4H2WTTML

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/4H2WTTML44ENARL4CBTVWTNUFG \
  | 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: e1f569cd8be708d0457c10675b4db429b3c3d45b1666ac4568fdc4957babef35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c576e9cd46531870c5377331f0f9a9abc86145b2b682dfe1a231d35c74f08128",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-06T09:15:43Z",
    "title_canon_sha256": "2bccb442f15b8cf6f33519607729bb536c5cb7f7a2622b74b1d134f2773bf8df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02239",
    "kind": "arxiv",
    "version": 1
  }
}