Pith Number

pith:KWL6NO4L

pith:2011:KWL6NO4LDZFA4RTYEFFLZEY5NU

not attested not anchored not stored refs pending

RR Lyrae the Stellar Beacons of the Galactic Structure

2), (2) INAF-Osservatorio Astronomico di Roma, (3) INAF-Oservatorio Astronomico di Capodimonte, (4) INAF-Oservatorio Astronomico di Collurania, (5) Stellingwerf Consulting, AL, Anna Marina Piersimoni (4), Filippina Caputo (2), Giuseppe Bono (1, Giuseppina Coppola (3), Italy, Katia Genovali (1), Marcella Marconi (3), Massimo Dall'Ora (3), Napoli, Robert F. Stellingwerf (5) ((1) Universit'a di Roma Tor Vergata, Roma, Teramo, USA)

arxiv:1108.5372 v2 · 2011-08-26 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWL6NO4LDZFA4RTYEFFLZEY5NU}

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	2026-05-18T04:14:28.673672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5597e6bb8b1e4a0e4678214abc931d6d19d0c59546fdaaf4e91feb4010ad5361

Aliases

arxiv: 1108.5372 · arxiv_version: 1108.5372v2 · doi: 10.48550/arxiv.1108.5372 · pith_short_12: KWL6NO4LDZFA · pith_short_16: KWL6NO4LDZFA4RTY · pith_short_8: KWL6NO4L

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/KWL6NO4LDZFA4RTYEFFLZEY5NU \
  | 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: 5597e6bb8b1e4a0e4678214abc931d6d19d0c59546fdaaf4e91feb4010ad5361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2c3536ff85e4c8b5e71a30827c233781393a12402ca9753254dc1a2dc09bbbf",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-26T19:11:12Z",
    "title_canon_sha256": "895b4478b883d2a68eacb9e13de63d7ce94de3b775d9d4d8a31e12df3e9b1e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5372",
    "kind": "arxiv",
    "version": 2
  }
}