Pith Number

pith:VDZRP3IN

pith:2009:VDZRP3INMIUAPIMWQ2JOEVTJLH

not attested not anchored not stored refs pending

Simulations of minor mergers. II. The phase-space structure of thick discs

\'Alvaro Villalobos, Amina Helmi (Kapteyn Astronomical Institute, University of Groningen)

arxiv:0902.1624 v1 · 2009-02-10 · 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{VDZRP3INMIUAPIMWQ2JOEVTJLH}

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	2026-05-18T02:14:48.540973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8f317ed0d622807a1968692e2566959eebbf0a0b3297e3b9be4b689b08b9af5

Aliases

arxiv: 0902.1624 · arxiv_version: 0902.1624v1 · doi: 10.48550/arxiv.0902.1624 · pith_short_12: VDZRP3INMIUA · pith_short_16: VDZRP3INMIUAPIMW · pith_short_8: VDZRP3IN

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/VDZRP3INMIUAPIMWQ2JOEVTJLH \
  | 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: a8f317ed0d622807a1968692e2566959eebbf0a0b3297e3b9be4b689b08b9af5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e218bd0e1cc16a5ee2007f3a4d844764f2bda735182d593ae00c943c1c90ba84",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-10T10:38:43Z",
    "title_canon_sha256": "ab4725fd87d60afa5f436be65ad78f75664e1e472f0ef4b0e51293251d28d566"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1624",
    "kind": "arxiv",
    "version": 1
  }
}