Pith Number

pith:3ESBKHDS

pith:2009:3ESBKHDSOFX5QNCTSUO4FGIM7Y

not attested not anchored not stored refs pending

Shell Galaxies, Dynamical Friction, and Dwarf Disruption

Bruno Jungwiert, Gabriela Canalizo, Ivana Ebrova, Lucie Jilkova, Nicola Bennert

arxiv:0909.3012 v1 · 2009-09-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ESBKHDSOFX5QNCTSUO4FGIM7Y}

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	2026-05-18T04:26:45.892717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d924151c72716fd83453951dc2990cfe027e6461f825fa3fe8c4188ea9589125

Aliases

arxiv: 0909.3012 · arxiv_version: 0909.3012v1 · doi: 10.48550/arxiv.0909.3012 · pith_short_12: 3ESBKHDSOFX5 · pith_short_16: 3ESBKHDSOFX5QNCT · pith_short_8: 3ESBKHDS

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/3ESBKHDSOFX5QNCTSUO4FGIM7Y \
  | 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: d924151c72716fd83453951dc2990cfe027e6461f825fa3fe8c4188ea9589125

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32fe81bcc48d6724a43588c223a97a40109c1210a79f1b948f4e5162f5edd8d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-16T13:56:27Z",
    "title_canon_sha256": "207b3ea3b45a9ce3beb17cc675c6883fada05a8296f795169721d5af7e9a0088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3012",
    "kind": "arxiv",
    "version": 1
  }
}