Pith Number

pith:YO7HI47V

pith:1998:YO7HI47VOFJL4HGQCFOELHB5XW

not attested not anchored not stored refs pending

Dwarf Cepheids in the Carina Dwarf Spheroidal Galaxy

Denise Hurley-Keller (University of Michigan), James Nemec (International Statistics, Mario Mateo, Research Corp.)

arxiv:astro-ph/9807233 v1 · 1998-07-22 · 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{YO7HI47VOFJL4HGQCFOELHB5XW}

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	2026-07-04T16:06:52.342349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3be7473f57152be1cd0115c459c3dbdaeb89400b3f806e937a3574d74212287

Aliases

arxiv: astro-ph/9807233 · arxiv_version: astro-ph/9807233v1 · doi: 10.48550/arxiv.astro-ph/9807233 · pith_short_12: YO7HI47VOFJL · pith_short_16: YO7HI47VOFJL4HGQ · pith_short_8: YO7HI47V

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/YO7HI47VOFJL4HGQCFOELHB5XW \
  | 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: c3be7473f57152be1cd0115c459c3dbdaeb89400b3f806e937a3574d74212287

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9299586dc8d8bf361fc3a9f34ad8ddde69110bcfa09413db80498eec53500e11",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-07-22T22:17:31Z",
    "title_canon_sha256": "75b2229ebb47d85e863377a751d1fb4c8b63ef6e419b96b2f45c1e659332fa90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9807233",
    "kind": "arxiv",
    "version": 1
  }
}