Pith Number

pith:YPZIAMWY

pith:2013:YPZIAMWYIBTZA7DUHAADAEKHAK

not attested not anchored not stored refs pending

AE Ursae Majoris -- a $\delta$ Scuti Star in the Hertzsprung Gap

Bing Du, Fang Zuo, Hui-Fang Xue, Jian-Ning Fu, Jia-Shu Niu, Nian Liu, Weikai Zong, Xiao-Hu Yang, Yan Li, Yan-Ping Zhang

arxiv:1304.3772 v3 · 2013-04-13 · 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{YPZIAMWYIBTZA7DUHAADAEKHAK}

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	2026-05-18T00:48:37.815066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3f28032d84067907c743800301147028e8f2de8c0f3d3307307be99e1c1e311

Aliases

arxiv: 1304.3772 · arxiv_version: 1304.3772v3 · doi: 10.48550/arxiv.1304.3772 · pith_short_12: YPZIAMWYIBTZ · pith_short_16: YPZIAMWYIBTZA7DU · pith_short_8: YPZIAMWY

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/YPZIAMWYIBTZA7DUHAADAEKHAK \
  | 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: c3f28032d84067907c743800301147028e8f2de8c0f3d3307307be99e1c1e311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b18f857b7f993461a7118b5bf307aad56c3742d2f54fda07795f38a6aedf3c96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-13T04:14:14Z",
    "title_canon_sha256": "1459a058623b890ba5cf391aea7e7d5b5b0047c86fbd8b74503146c9d2fe485c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3772",
    "kind": "arxiv",
    "version": 3
  }
}