Pith Number

pith:3OUVWOJS

pith:2018:3OUVWOJSKY42L6CTTWIONZH2VV

not attested not anchored not stored refs pending

The search for roAp stars: null results and new candidates from Stroemgren-Crawford photometry

E. Paunzen, G. Handler, J. Janik, J. Jurysek, K. Honkova, L. Hermansson, M. Drozdz, M. Jelinek, M. Johansson, M. Masek, M. Skarka, M. Zejda, W. Ogloza

arxiv:1805.11819 v1 · 2018-05-30 · astro-ph.GA · 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{3OUVWOJSKY42L6CTTWIONZH2VV}

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	2026-05-18T00:01:29.449829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dba95b39325639a5f8539d90e6e4faad459cd284b60daec1e2ab4776e04b6f63

Aliases

arxiv: 1805.11819 · arxiv_version: 1805.11819v1 · doi: 10.48550/arxiv.1805.11819 · pith_short_12: 3OUVWOJSKY42 · pith_short_16: 3OUVWOJSKY42L6CT · pith_short_8: 3OUVWOJS

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/3OUVWOJSKY42L6CTTWIONZH2VV \
  | 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: dba95b39325639a5f8539d90e6e4faad459cd284b60daec1e2ab4776e04b6f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de8a23e9ea1003910a34a8f4712fbd4910bd5445ca9d036e798b2c9f07820d3e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-30T06:09:46Z",
    "title_canon_sha256": "af868a4e20398d87d654fe71ba610c104ff4fb0054cafefecdb99d2dae9ac691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11819",
    "kind": "arxiv",
    "version": 1
  }
}