Pith Number

pith:RBDRDDKA

pith:2009:RBDRDDKAY7TAICJOHCBLPR2IX2

not attested not anchored not stored refs pending

On the extended structure of the Phoenix dwarf galaxy

2, 2), 2) ((1) Instituto de Astrof\'isica de Canarias, (2) Departamento de Astrof\'isica de la Universidad de La Laguna, 3), (3) University of Minnesota), A. Aparicio (1, C. Gallart (1, D. Mart\'inez-Delgado (1, S. L. Hidalgo (1

arxiv:0909.1256 v1 · 2009-09-07 · 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{RBDRDDKAY7TAICJOHCBLPR2IX2}

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	2026-05-18T02:34:30.874213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8847118d40c7e604092e3882b7c748be8cb747a7211ed88c2d3a926ce9b33023

Aliases

arxiv: 0909.1256 · arxiv_version: 0909.1256v1 · doi: 10.48550/arxiv.0909.1256 · pith_short_12: RBDRDDKAY7TA · pith_short_16: RBDRDDKAY7TAICJO · pith_short_8: RBDRDDKA

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/RBDRDDKAY7TAICJOHCBLPR2IX2 \
  | 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: 8847118d40c7e604092e3882b7c748be8cb747a7211ed88c2d3a926ce9b33023

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b01b78b2e80a9eccd6c7ae84a14c03be104b21a33cd8affda269ec1642c014a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-07T14:31:56Z",
    "title_canon_sha256": "b8b8bfe9ffddd7e55d5c890724353b7694bff8441b4dca92e4c654387b8343c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1256",
    "kind": "arxiv",
    "version": 1
  }
}