Pith Number

pith:OATNA377

pith:2003:OATNA377OL6TAFEU6VSE3DA36W

not attested not anchored not stored refs pending

Discovery of unusual pulsations in the cool, evolved Am stars HD 98851 and HD 102480

A. Zhou, B. Kumar, B. N. Ashoka, D. W. Kurtz, P. Martinez, R. Sagar, Santosh Joshi, S. Seetha, V. Girish

arxiv:astro-ph/0305371 v1 · 2003-05-20 · 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{OATNA377OL6TAFEU6VSE3DA36W}

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	2026-07-04T16:37:10.409701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7026d06fff72fd301494f5644d8c1bf59d1ebf14626410bdf0a5e363d6b86bab

Aliases

arxiv: astro-ph/0305371 · arxiv_version: astro-ph/0305371v1 · doi: 10.48550/arxiv.astro-ph/0305371 · pith_short_12: OATNA377OL6T · pith_short_16: OATNA377OL6TAFEU · pith_short_8: OATNA377

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/OATNA377OL6TAFEU6VSE3DA36W \
  | 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: 7026d06fff72fd301494f5644d8c1bf59d1ebf14626410bdf0a5e363d6b86bab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "200c549ddac99fe479c52ed27f7b11fb3e1a37001508b4eb465aa3eee7d65c29",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-20T16:46:17Z",
    "title_canon_sha256": "7e63cd58245ffc7e135634a2e6e90ce3dd74d6336560f764c21d0eecd4a719c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305371",
    "kind": "arxiv",
    "version": 1
  }
}