Pith Number

pith:4FRT6NGE

pith:2018:4FRT6NGENDTK27KVJOYZFAPLKW

not attested not anchored not stored refs pending

HE 0430-2457: a post merger extremely low-mass pre-white dwarf in a wide binary posing as an extreme horizontal branch star

Joris Vos, Maja Vu\v{c}kovi\'c, Matthias R. Schreiber, Monica Zorotovic, Roy {\O}stensen

arxiv:1804.00862 v1 · 2018-04-03 · 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{4FRT6NGENDTK27KVJOYZFAPLKW}

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	2026-05-18T00:19:31.931586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1633f34c468e6ad7d554bb19281eb55b3869a3963ae799261e1cf2797ccb193

Aliases

arxiv: 1804.00862 · arxiv_version: 1804.00862v1 · doi: 10.48550/arxiv.1804.00862 · pith_short_12: 4FRT6NGENDTK · pith_short_16: 4FRT6NGENDTK27KV · pith_short_8: 4FRT6NGE

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/4FRT6NGENDTK27KVJOYZFAPLKW \
  | 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: e1633f34c468e6ad7d554bb19281eb55b3869a3963ae799261e1cf2797ccb193

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aca04cf33cf617b2f0a421d22faf60f793b8c326cf8bf909cebd81f11eff939",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-03T08:17:32Z",
    "title_canon_sha256": "812a4920132dae63f7fdebc9139743439378a1ace31b8203f0eea5b5d11e79a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00862",
    "kind": "arxiv",
    "version": 1
  }
}