Pith Number

pith:LQIR4NTH

pith:2021:LQIR4NTHYZLVEINLFILUMZ2N5K

not attested not anchored not stored refs pending

Discovery of multiple p-mode pulsation frequencies in the roAp star, HD 86181

Daniel L. Holdsworth, Donald W. Kurtz, Fangfei Shi, G. Handler, Hideyuki Saio, Huawei Zhang, Jianning Fu, Margarida S. Cunha

arxiv:2107.12204 v1 · 2021-07-26 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LQIR4NTHYZLVEINLFILUMZ2N5K}

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	2026-07-05T03:02:58.922234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c111e3667c6575221ab2a1746674deabbeb0e7bbaafa1657d7af4a670b1ae02

Aliases

arxiv: 2107.12204 · arxiv_version: 2107.12204v1 · doi: 10.48550/arxiv.2107.12204 · pith_short_12: LQIR4NTHYZLV · pith_short_16: LQIR4NTHYZLVEINL · pith_short_8: LQIR4NTH

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/LQIR4NTHYZLVEINLFILUMZ2N5K \
  | 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: 5c111e3667c6575221ab2a1746674deabbeb0e7bbaafa1657d7af4a670b1ae02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "246f39b6926cc95fd1d8004e1e499cde0db63f805dcf6605a56a600d0b594320",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-07-26T13:21:50Z",
    "title_canon_sha256": "629e8ef638b18105d7d8479720602dd5b2dc1127de590cd9fe3845b7fc715cf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12204",
    "kind": "arxiv",
    "version": 1
  }
}