Pith Number

pith:5KZJE4TZ

pith:2021:5KZJE4TZX6ZUSRCAXT3MS5ZUMQ

not attested not anchored not stored refs pending

Mode identification and seismic study of $\delta$ Scuti, the prototype of a class of pulsating stars

A. A. Pamyatnykh, A. Pigulski, G. Handler, Jadwiga Daszynska-Daszkiewicz, P. Walczak, W. Szewczuk

arxiv:2105.00905 v1 · 2021-05-03 · 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{5KZJE4TZX6ZUSRCAXT3MS5ZUMQ}

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	2026-07-05T02:42:51.184166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eab2927279bfb3494440bcf6c977346408d86cc0dfb45a1688f6f63cd9086591

Aliases

arxiv: 2105.00905 · arxiv_version: 2105.00905v1 · doi: 10.48550/arxiv.2105.00905 · pith_short_12: 5KZJE4TZX6ZU · pith_short_16: 5KZJE4TZX6ZUSRCA · pith_short_8: 5KZJE4TZ

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/5KZJE4TZX6ZUSRCAXT3MS5ZUMQ \
  | 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: eab2927279bfb3494440bcf6c977346408d86cc0dfb45a1688f6f63cd9086591

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e57de420603d9daf7c30812b9b414bad33a26e7c6f85a709e0e9e1d95c974f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-05-03T14:42:38Z",
    "title_canon_sha256": "f917babbf23c68fbb93f84c711bd05c8f1f17f6cb3d7460294823add90716fbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00905",
    "kind": "arxiv",
    "version": 1
  }
}