Pith Number

pith:YOGHZF5O

pith:2009:YOGHZF5OIBEDWIJZPELRZZLQRF

not attested not anchored not stored refs pending

PAndAS' cubs: discovery of two new dwarf galaxies in the surroundings of the Andromeda and Triangulum galaxies

Alan W. McConnachie, Annette M. N. Ferguson, Arif Babul, Geraint F. Lewis, John Dubinski, Julio Navarro, Lawrence M. Widrow, Mark Fardal, Mike Irwin, Nicolas F. Martin, R. Michael Rich, Rodrigo A. Ibata, Scott Chapman

arxiv:0909.0399 v3 · 2009-09-02 · 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{YOGHZF5OIBEDWIJZPELRZZLQRF}

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	2026-05-18T02:34:36.761085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c38c7c97ae40483b213979171ce570896674b21e5c4ce61ae096eb9a5f3c1d40

Aliases

arxiv: 0909.0399 · arxiv_version: 0909.0399v3 · doi: 10.48550/arxiv.0909.0399 · pith_short_12: YOGHZF5OIBED · pith_short_16: YOGHZF5OIBEDWIJZ · pith_short_8: YOGHZF5O

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/YOGHZF5OIBEDWIJZPELRZZLQRF \
  | 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: c38c7c97ae40483b213979171ce570896674b21e5c4ce61ae096eb9a5f3c1d40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "752505dae0ad4d4ac54f15ab7e1bea1afe654df6eb26d5c4fde50dd9610ea55f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-02T11:50:47Z",
    "title_canon_sha256": "8443d77e1049fb4b2958c995b49a392bc9de3179a4c8b3adcc6987267c5f2d5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0399",
    "kind": "arxiv",
    "version": 3
  }
}