Pith Number

pith:4ZKN5ZKX

pith:2019:4ZKN5ZKXG7MJQVTHZWYHZJISBG

not attested not anchored not stored refs pending

Evolving pulsation of the slowly rotating magnetic $\beta$ Cep star $\xi^1$ CMa

A.F.J. Moffat, A. Pigulski, A. Popowicz, B. Pablo, C. Erba, G.A. Wade, G. Handler, H. Cugier, H. Neilson, J. Sikora, K. Zwintz, M. Shultz, S. Begy, W. Weiss

arxiv:1912.08347 v1 · 2019-12-18 · 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{4ZKN5ZKXG7MJQVTHZWYHZJISBG}

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	2026-07-05T00:34:50.126848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e654dee55737d8985667cdb07ca51209b6a3982622e550431621bca77ad095a7

Aliases

arxiv: 1912.08347 · arxiv_version: 1912.08347v1 · doi: 10.48550/arxiv.1912.08347 · pith_short_12: 4ZKN5ZKXG7MJ · pith_short_16: 4ZKN5ZKXG7MJQVTH · pith_short_8: 4ZKN5ZKX

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/4ZKN5ZKXG7MJQVTHZWYHZJISBG \
  | 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: e654dee55737d8985667cdb07ca51209b6a3982622e550431621bca77ad095a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd2b7195b80e81076e6cb47c0df2b79a82e23a95e5d0f7b42065bfe8203e7498",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-12-18T02:35:38Z",
    "title_canon_sha256": "39f2a75a059740872f20b1b86f601b1b4ab2be30b5c89057a1966b9327c705b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.08347",
    "kind": "arxiv",
    "version": 1
  }
}