Pith. sign in
Pith Number

pith:X2ASKHME

pith:2003:X2ASKHMEURFHLBV64R2EKVIAFW
not attested not anchored not stored refs pending

Blue horizontal branch stars in the Sloan Digital Sky Survey: I. Sample selection and structure in the Galactic halo

David Schlegel, Donald G. York, Donald P. Schneider, Edwin J. Knerr, Edwin Sirko, Gillian R. Knapp, Jeremy Goodman, Jon Brinkmann, Zeljko Ivezic

arxiv:astro-ph/0311324 v1 · 2003-11-13 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{X2ASKHMEURFHLBV64R2EKVIAFW}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T16:37:49.190474Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

be81251d84a44a7586bee4744555002d9e3addcc88d38d8d4eea2617a734b3e7

Aliases

arxiv: astro-ph/0311324 · arxiv_version: astro-ph/0311324v1 · doi: 10.48550/arxiv.astro-ph/0311324 · pith_short_12: X2ASKHMEURFH · pith_short_16: X2ASKHMEURFHLBV6 · pith_short_8: X2ASKHME
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/X2ASKHMEURFHLBV64R2EKVIAFW \
  | 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: be81251d84a44a7586bee4744555002d9e3addcc88d38d8d4eea2617a734b3e7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f41665f625e6a0b735bbb1e145439b385c0b3f674e8eccdb03185ff78ed1d702",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-13T19:05:51Z",
    "title_canon_sha256": "4259d657c85259ff5bb1357421a37afdadc3e6b904e50705fbe141bf4091e597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311324",
    "kind": "arxiv",
    "version": 1
  }
}