Pith Number

pith:SJJJ2ONB

pith:2003:SJJJ2ONB3NOSNL43YQ3DQD4CMJ

not attested not anchored not stored refs pending

The origin of sdB stars (II)

Philipp Podsiadlowski, Pierre F. L. Maxted, Tom R. Marsh, Zhanwen Han

arxiv:astro-ph/0301380 v1 · 2003-01-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SJJJ2ONB3NOSNL43YQ3DQD4CMJ}

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.

Cited by

1 paper in Pith

Selected Results on Variable Stars Observed by TESS

Receipt and verification

First computed	2026-07-04T16:35:52.680384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92529d39a1db5d26af9bc436380f82627de47081cd055a64b8add03e8ae83ec2

Aliases

arxiv: astro-ph/0301380 · arxiv_version: astro-ph/0301380v1 · doi: 10.48550/arxiv.astro-ph/0301380 · pith_short_12: SJJJ2ONB3NOS · pith_short_16: SJJJ2ONB3NOSNL43 · pith_short_8: SJJJ2ONB

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/SJJJ2ONB3NOSNL43YQ3DQD4CMJ \
  | 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: 92529d39a1db5d26af9bc436380f82627de47081cd055a64b8add03e8ae83ec2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9f6ce9d6ea06cbc51e0f774dc35714d426e34979310aca98dec7acdd7af0303",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-19T16:50:56Z",
    "title_canon_sha256": "a94ab9cdca12ffa95d098fc1aeb548bae9a910ede9d1f665f59f38491a9591cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301380",
    "kind": "arxiv",
    "version": 1
  }
}