Pith Number

pith:DY45WZAT

pith:2019:DY45WZATZYPEMBIRL7VO2Y2QNH

not attested not anchored not stored refs pending

Investigation on uncertain RRab variable stars from ASAS-SN catalogue

(2) INAF-Osservatorio Astrofisico di Torino, A. Bonelli (1), C. Barsanti (1), C. Benna (2), D. Gardiol (2), G. Pettiti (2) ((1) IIS Curie Vittorini, Grugliasco (TO), Italy, Italy), M. Bruno (1), M. Testa (1), M. Zanoni (1), Pino Torinese (TO), V. Ivantoc (1)

arxiv:1909.09841 v1 · 2019-09-21 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DY45WZATZYPEMBIRL7VO2Y2QNH}

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	2026-07-05T00:06:14.830291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e39db6413ce1e4605115feaed635069ca8ed47d8975b2723d1520d4f0916f42

Aliases

arxiv: 1909.09841 · arxiv_version: 1909.09841v1 · doi: 10.48550/arxiv.1909.09841 · pith_short_12: DY45WZATZYPE · pith_short_16: DY45WZATZYPEMBIR · pith_short_8: DY45WZAT

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/DY45WZATZYPEMBIRL7VO2Y2QNH \
  | 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: 1e39db6413ce1e4605115feaed635069ca8ed47d8975b2723d1520d4f0916f42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5d5b41e18347a31ef214e089d889a18015c03ba8f122704156386d702469a3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-09-21T15:05:32Z",
    "title_canon_sha256": "2b45864be5895e8dd4cd9a6911531252ebfd50798cc98f1c358bd84a168e61d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09841",
    "kind": "arxiv",
    "version": 1
  }
}