pith. sign in
Pith Number

pith:EYBJJW4R

pith:2010:EYBJJW4RU3RW3FTZCK76Z7DMLO
not attested not anchored not stored refs pending

The fraction of globular cluster second-generation stars in the Galactic halo

Annibale D'Ercole, Enrico Vesperini, Francesca D'Antona, Stephen L.W. McMillan

arxiv:1007.1668 v1 · 2010-07-09 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EYBJJW4RU3RW3FTZCK76Z7DMLO}

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 2026-05-18T02:06:23.264134Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

260294db91a6e36d967912bfecfc6c5b983b6cb8fd526282442ea2d7be9b67cb

Aliases

arxiv: 1007.1668 · arxiv_version: 1007.1668v1 · doi: 10.48550/arxiv.1007.1668 · pith_short_12: EYBJJW4RU3RW · pith_short_16: EYBJJW4RU3RW3FTZ · pith_short_8: EYBJJW4R
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EYBJJW4RU3RW3FTZCK76Z7DMLO \
  | 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: 260294db91a6e36d967912bfecfc6c5b983b6cb8fd526282442ea2d7be9b67cb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a723c187924f519a65939f74658c446cde7f678ba94b7bbd602ac7fe9ca2412d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-07-09T20:15:55Z",
    "title_canon_sha256": "c3e77b17718776748aae4bcbfd9e92c6f3203b7f43adf405637790b0665208fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1668",
    "kind": "arxiv",
    "version": 1
  }
}