Pith Number

pith:CIJ4NDH2

pith:2005:CIJ4NDH2AD22TJPNCDF4VXG7FD

not attested not anchored not stored refs pending

The Chemical Composition of Cepheids in the Milky Way and the Magellanic Clouds

(2), (3) Instituut voor Sterrenkunde, (4) Observatoire de Paris-Meudon, F. Primas (1), G. Bono (2), GEPI), INAF-Osservatorio Astronomico di Roma, Leuven, M.A.T. Groenewegen (3), M. Mottini (1), M. Romaniello (1), P. Francois (4) ((1) ESO

arxiv:astro-ph/0510514 v1 · 2005-10-18 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CIJ4NDH2AD22TJPNCDF4VXG7FD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:33:50.659146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1213c68cfa00f5a9a5ed10cbcadcdf28ed7cd63bbe0fb2d5cf78355fed8695b2

Aliases

arxiv: astro-ph/0510514 · arxiv_version: astro-ph/0510514v1 · doi: 10.48550/arxiv.astro-ph/0510514 · pith_short_12: CIJ4NDH2AD22 · pith_short_16: CIJ4NDH2AD22TJPN · pith_short_8: CIJ4NDH2

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/CIJ4NDH2AD22TJPNCDF4VXG7FD \
  | 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: 1213c68cfa00f5a9a5ed10cbcadcdf28ed7cd63bbe0fb2d5cf78355fed8695b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fdd196c536d43ecc0628679a1e465740e95688083943ac416ccb1043fca648e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-10-18T10:48:33Z",
    "title_canon_sha256": "51ba95119a36f8aa20771ed882af993e49338dad0d32adafee8eae30f276f7f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0510514",
    "kind": "arxiv",
    "version": 1
  }
}