Pith Number

pith:KTOL5H4P

pith:2002:KTOL5H4PP7QVDKB2JO4P7XXCFF

not attested not anchored not stored refs pending

Stellar wind signatures in sdB stars?

C. Knigge, J.E. Drew, P.F.L. Maxted, T.R. Marsh, U. Heber

arxiv:astro-ph/0212493 v1 · 2002-12-20 · 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{KTOL5H4PP7QVDKB2JO4P7XXCFF}

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	2026-07-04T14:12:31.571184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54dcbe9f8f7fe151a83a4bb8ffdee229795b5393af6e16326fc6978d53135e77

Aliases

arxiv: astro-ph/0212493 · arxiv_version: astro-ph/0212493v1 · doi: 10.48550/arxiv.astro-ph/0212493 · pith_short_12: KTOL5H4PP7QV · pith_short_16: KTOL5H4PP7QVDKB2 · pith_short_8: KTOL5H4P

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/KTOL5H4PP7QVDKB2JO4P7XXCFF \
  | 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: 54dcbe9f8f7fe151a83a4bb8ffdee229795b5393af6e16326fc6978d53135e77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4a9d2a057fd5323c493b607a931850d9d3c3b6af7e3e23181082f4902d65809",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-20T17:26:41Z",
    "title_canon_sha256": "45583379cb295e8a0a2e03f66d2464888dc6909f7596b0d2ec94e4495d4ec88b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212493",
    "kind": "arxiv",
    "version": 1
  }
}