Pith Number

pith:APLSDX6D

pith:1998:APLSDX6DWPOEYVPPDTMFOOAWUS

not attested not anchored not stored refs pending

CCD Photometry of the High Amplitude Delta Scuti Stars V798 Cyg and V831 Tau

Armando Arellano Ferro (Departamento de Astronomia, Ennio Poretti, Federica Musazzi, Italy), Merate, Mexico), Stefano Covino (Osservatorio Astronomico di Brera, Universidad de Guanajuato

arxiv:astro-ph/9806322 v1 · 1998-06-24 · 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{APLSDX6DWPOEYVPPDTMFOOAWUS}

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	2026-05-18T01:07:37.290365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03d721dfc3b3dc4c55ef1cd8573816a48598ff4d10dfe768ee98585518479809

Aliases

arxiv: astro-ph/9806322 · arxiv_version: astro-ph/9806322v1 · doi: 10.48550/arxiv.astro-ph/9806322 · pith_short_12: APLSDX6DWPOE · pith_short_16: APLSDX6DWPOEYVPP · pith_short_8: APLSDX6D

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/APLSDX6DWPOEYVPPDTMFOOAWUS \
  | 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: 03d721dfc3b3dc4c55ef1cd8573816a48598ff4d10dfe768ee98585518479809

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3973680ce4b61a12e60c4fb367bf0512807fa5f03425687c9eb94f245d8e5d73",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-06-24T14:20:38Z",
    "title_canon_sha256": "e641ed7728ce564a2c5bceac7faddf29c9ac33d78650c51e3e7482ea651bf67d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9806322",
    "kind": "arxiv",
    "version": 1
  }
}