Pith Number

pith:LYJHIZBZ

pith:2004:LYJHIZBZWAULY3MH7IUDHFCV6Z

not attested not anchored not stored refs pending

Close binary EHB stars from SPY

C.A. Karl, D. Homeier, D. Reimers, G. Nelemans, N. Christlieb, R. Napiwotzki, T. Lisker, U. Heber

arxiv:astro-ph/0401201 v1 · 2004-01-12 · 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{LYJHIZBZWAULY3MH7IUDHFCV6Z}

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	2026-07-04T16:42:49.090774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e12746439b028bc6d87fa28339455f667d3b38bc5f8843b5b309a6b18bcd211

Aliases

arxiv: astro-ph/0401201 · arxiv_version: astro-ph/0401201v1 · doi: 10.48550/arxiv.astro-ph/0401201 · pith_short_12: LYJHIZBZWAUL · pith_short_16: LYJHIZBZWAULY3MH · pith_short_8: LYJHIZBZ

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/LYJHIZBZWAULY3MH7IUDHFCV6Z \
  | 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: 5e12746439b028bc6d87fa28339455f667d3b38bc5f8843b5b309a6b18bcd211

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daf529edee740e8780a54a05f513de76496273694aed407e71973ac47bf7562f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-12T15:00:07Z",
    "title_canon_sha256": "5aade21348f31d82ce0e49d8f2e1fae9844397c658d53514c633c4261a6af0de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401201",
    "kind": "arxiv",
    "version": 1
  }
}