Pith Number

pith:XOG45UMO

pith:2010:XOG45UMOZJY2XNS47GG7ICQ6MR

not attested not anchored not stored refs pending

Extremely metal-poor stars in classical dwarf spheroidal galaxies: Fornax, Sculptor and Sextans

A. Helmi, A. Kaufer, E. Starkenburg, E. Tolstoy, F. Primas, G. Battaglia, K.A. Venn, M.J. Irwin, M. Shetrone, M. Tafelmeyer, P. Francois, P. Jablonka, P. North, T. Abel, T. Szeifert, V. Hill

arxiv:1008.3721 v2 · 2010-08-22 · astro-ph.SR · 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{XOG45UMOZJY2XNS47GG7ICQ6MR}

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	2026-05-18T02:05:43.971501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb8dced18eca71abb65cf98df40a1e6465021de5bd8aac03f81124d805b21a54

Aliases

arxiv: 1008.3721 · arxiv_version: 1008.3721v2 · doi: 10.48550/arxiv.1008.3721 · pith_short_12: XOG45UMOZJY2 · pith_short_16: XOG45UMOZJY2XNS4 · pith_short_8: XOG45UMO

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/XOG45UMOZJY2XNS47GG7ICQ6MR \
  | 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: bb8dced18eca71abb65cf98df40a1e6465021de5bd8aac03f81124d805b21a54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a24d635f407ba4513b32e99f2c2ac956d2133ccbcf7b91c8b2082176ab73a65c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-22T19:56:04Z",
    "title_canon_sha256": "4d40eafaf6ce0dc5f51f010343c0b29876843e06b1cfb61d7f57de48d161ad28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3721",
    "kind": "arxiv",
    "version": 2
  }
}