pith. sign in
Pith Number

pith:G6244RGV

pith:2018:G6244RGVYQE6LLYFLDTHBC2R7X
not attested not anchored not stored refs pending

Gauging the Helium Abundance of the Galactic Bulge RR Lyrae Stars

Dante Minniti, Marcella Marconi

arxiv:1801.05883 v1 · 2018-01-17 · astro-ph.SR · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{G6244RGVYQE6LLYFLDTHBC2R7X}

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 2026-05-18T00:23:27.476606Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

37b5ce44d5c409e5af0558e6708b51fde265881dc0419c47ea920113bc19b733

Aliases

arxiv: 1801.05883 · arxiv_version: 1801.05883v1 · doi: 10.48550/arxiv.1801.05883 · pith_short_12: G6244RGVYQE6 · pith_short_16: G6244RGVYQE6LLYF · pith_short_8: G6244RGV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/G6244RGVYQE6LLYFLDTHBC2R7X \
  | 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: 37b5ce44d5c409e5af0558e6708b51fde265881dc0419c47ea920113bc19b733
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1588793c9f1f71e19f6a5bec62b11cb17836ac2429f14b3afdc70292900ac501",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-17T22:50:12Z",
    "title_canon_sha256": "8caebce8a1908800ef0a9d0d23aa497ffb6ac6766cbc67b88b629923ec09fe19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05883",
    "kind": "arxiv",
    "version": 1
  }
}