Pith Number

pith:4OCNZCYK

pith:2006:4OCNZCYKGPMXWIKHJK4ZFYCGS2

not attested not anchored not stored refs pending

Spectral analyses of eighteen hot H-deficient (pre-) white dwarfs from the Sloan Digital Sky Survey Data Release 4

A. Nitta, D. Homeier, J. Krzesinski, K. Werner, S.D. Huegelmeyer, S. Dreizler, S.J. Kleinman

arxiv:astro-ph/0605551 v1 · 2006-05-22 · 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{4OCNZCYKGPMXWIKHJK4ZFYCGS2}

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

Studying hot evolved stars with ultraviolet spectroscopy

Receipt and verification

First computed	2026-07-04T16:58:46.556445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e384dc8b0a33d97b21474ab992e046968936cb2b741effd8976449f7be3f9b73

Aliases

arxiv: astro-ph/0605551 · arxiv_version: astro-ph/0605551v1 · doi: 10.48550/arxiv.astro-ph/0605551 · pith_short_12: 4OCNZCYKGPMX · pith_short_16: 4OCNZCYKGPMXWIKH · pith_short_8: 4OCNZCYK

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/4OCNZCYKGPMXWIKHJK4ZFYCGS2 \
  | 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: e384dc8b0a33d97b21474ab992e046968936cb2b741effd8976449f7be3f9b73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbbab244307abaf95761d874d04261eb5b5d485ab50ea49d8c9245af232bcf7b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-22T09:08:01Z",
    "title_canon_sha256": "1677891182c1e7d5d9e353977aa1aa61c9ecebb5e6dcb08370abbb27c600df1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605551",
    "kind": "arxiv",
    "version": 1
  }
}