Pith Number

pith:7PZK37N6

pith:2004:7PZK37N6CZYC6JSUK3LKTG4HSP

not attested not anchored not stored refs pending

Spectroscopic Studies of Extremly Metal-Poor Stars with Subaru/HDS:II.The r-process Elements, Including Thorium

H. Ando, H. Izumiura, K. Sadakane, M. Takada-Hidai, S. Honda, T.C. Beers, T. Kajino, W. Aoki

arxiv:astro-ph/0402298 v1 · 2004-02-12 · 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{7PZK37N6CZYC6JSUK3LKTG4HSP}

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

Three Extremely Metal-Poor stars: discovery of a new CEMP-no star

Receipt and verification

First computed	2026-07-04T16:43:01.690439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbf2adfdbe16702f265456d6a99b8793fd8e9b0c605bbfde023e19a5c91746ed

Aliases

arxiv: astro-ph/0402298 · arxiv_version: astro-ph/0402298v1 · doi: 10.48550/arxiv.astro-ph/0402298 · pith_short_12: 7PZK37N6CZYC · pith_short_16: 7PZK37N6CZYC6JSU · pith_short_8: 7PZK37N6

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/7PZK37N6CZYC6JSUK3LKTG4HSP \
  | 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: fbf2adfdbe16702f265456d6a99b8793fd8e9b0c605bbfde023e19a5c91746ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a90da0584843cdb37e60467be34cf688334a327c9424550e31ae87a87e85c6eb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-12T16:41:49Z",
    "title_canon_sha256": "46757d17d3950788b01426f0667f1a3711e15cba0f15a463ca3dc704fbd8c3d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402298",
    "kind": "arxiv",
    "version": 1
  }
}