Pith Number

pith:NRUQI2UD

pith:2019:NRUQI2UDGMMIAJO3BHSXHTZGVW

not attested not anchored not stored refs pending

HD 99458: First time ever Ap-type star as a $\delta$ Scuti pulsator in a short period eclipsing binary?

A. Hatzes, D. Dupkala, E. Guenther, E. Kundra, E. Paunzen, J. Budaj, J. Dvo\v{r}\'akov\'a, J. Krti\v{c}ka, L. Hamb\'alek, M. Bla\v{z}ek, M. Fedurco, M. Skarka, M. Va\v{n}ko, M. \v{S}lechta, P. Kab\'ath, S. Sabotta, T. Klocov\'a, T. Pribulla, V. Koll\'ar, \v{S}. Parimucha, Z. Mikul\'a\v{s}ek

arxiv:1906.01877 v1 · 2019-06-05 · 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{NRUQI2UDGMMIAJO3BHSXHTZGVW}

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	2026-05-17T23:43:33.996885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c69046a8333188025db09e573cf26ada21940f2bff0834c7489bfe657781d2c

Aliases

arxiv: 1906.01877 · arxiv_version: 1906.01877v1 · doi: 10.48550/arxiv.1906.01877 · pith_short_12: NRUQI2UDGMMI · pith_short_16: NRUQI2UDGMMIAJO3 · pith_short_8: NRUQI2UD

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/NRUQI2UDGMMIAJO3BHSXHTZGVW \
  | 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: 6c69046a8333188025db09e573cf26ada21940f2bff0834c7489bfe657781d2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b44384e021f9e68ee628d68c7467e276c507ecf5775f0f37462c199ee809aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-06-05T08:23:10Z",
    "title_canon_sha256": "1eeb1f5eafa80adf96081d531d740c0749f3fb3b1563f3224e640ceb9b2df76c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01877",
    "kind": "arxiv",
    "version": 1
  }
}