Pith Number

pith:V4WAB7PX

pith:2010:V4WAB7PXFRL2JJTWACI6KUQJX5

not attested not anchored not stored refs pending

An observer's view of simulated galaxies: disc-to-total ratios, bars, and (pseudo-)bulges

2), (2) MPA, 3), (3) ESO, (4) CfA), Cecilia Scannapieco (1, Dimitri A. Gadotti (2, Patrik Jonsson (4), Simon D.M. White (2) ((1) AIP

arxiv:1001.4890 v3 · 2010-01-27 · 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{V4WAB7PXFRL2JJTWACI6KUQJX5}

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	2026-05-18T02:09:29.346087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af2c00fdf72c57a4a6760091e55209bf7c8353323909e19538553b93a6968401

Aliases

arxiv: 1001.4890 · arxiv_version: 1001.4890v3 · doi: 10.48550/arxiv.1001.4890 · pith_short_12: V4WAB7PXFRL2 · pith_short_16: V4WAB7PXFRL2JJTW · pith_short_8: V4WAB7PX

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/V4WAB7PXFRL2JJTWACI6KUQJX5 \
  | 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: af2c00fdf72c57a4a6760091e55209bf7c8353323909e19538553b93a6968401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d0be0e4c4f82dcadb6526f2463bbda0de4bc05cff5b516fc40d3bd854e8a807",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-27T10:28:43Z",
    "title_canon_sha256": "5d80eb6b7c0e1a11823b6381c8ba708e4c87848bd1f4b9668bd4cf6259163037"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4890",
    "kind": "arxiv",
    "version": 3
  }
}