Pith Number

pith:R4RF326T

pith:2020:R4RF326T33ZKWOJE6JOSISUKDH

not attested not anchored not stored refs pending

An extremely hot white dwarf with a rapidly rotating K-type subgiant companion: UCAC2 46706450

Alberto Rebassa-Mansergas, Ingrid Pelisoli, Juanjuan Ren, Klaus Werner, Lisa L\"obling, Nicole Reindl, Puji Irawati, Veronika Schaffenroth

arxiv:2009.02968 v2 · 2020-09-07 · 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{R4RF326T33ZKWOJE6JOSISUKDH}

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	2026-07-05T01:47:04.848613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f225debd3def2ab3924f25d244a8a19d6c6de683e627b39b0f499e9b98e6271

Aliases

arxiv: 2009.02968 · arxiv_version: 2009.02968v2 · doi: 10.48550/arxiv.2009.02968 · pith_short_12: R4RF326T33ZK · pith_short_16: R4RF326T33ZKWOJE · pith_short_8: R4RF326T

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/R4RF326T33ZKWOJE6JOSISUKDH \
  | 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: 8f225debd3def2ab3924f25d244a8a19d6c6de683e627b39b0f499e9b98e6271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14bb5b63881872d1bdaa8f101c386f164f820e1cad0ce98f99182b6874eaa246",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-09-07T09:30:17Z",
    "title_canon_sha256": "d929e935e4fb95c666f77b6441ab7d42e47adcde9189ac8dd5df58f851a04107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02968",
    "kind": "arxiv",
    "version": 2
  }
}