pith. sign in
Pith Number

pith:G73PJTNA

pith:2012:G73PJTNAVEZXUNCDQB7Z7YS3CH
not attested not anchored not stored refs pending

The Na-O anticorrelation in horizontal branch stars. II. NGC1851

A. Bragaglia, A. Sollima, E. Carretta, M. Salaris, R. G. Gratton, S. Cassisi, S. Lucatello, V. D'Orazi, Y. Al Momany

arxiv:1201.1772 v1 · 2012-01-09 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{G73PJTNAVEZXUNCDQB7Z7YS3CH}

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 2026-05-18T01:58:54.073401Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

37f6f4cda0a9337a3443807f9fe25b11f0861c26f8595a098d4393dfa7ad1c8a

Aliases

arxiv: 1201.1772 · arxiv_version: 1201.1772v1 · doi: 10.48550/arxiv.1201.1772 · pith_short_12: G73PJTNAVEZX · pith_short_16: G73PJTNAVEZXUNCD · pith_short_8: G73PJTNA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/G73PJTNAVEZXUNCDQB7Z7YS3CH \
  | 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: 37f6f4cda0a9337a3443807f9fe25b11f0861c26f8595a098d4393dfa7ad1c8a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8b9cc11d795e58bbfc4b15118420da7bdb68fe51e75d075a33d481913c925aa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-09T14:16:00Z",
    "title_canon_sha256": "1b3444a509e5f0a95363d547de047442660b58cfb6381b7de609309430b702d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1772",
    "kind": "arxiv",
    "version": 1
  }
}