Pith Number

pith:CHGXWUDT

pith:2010:CHGXWUDTHFGJTGWBFKZ5TU5YZL

not attested not anchored not stored refs pending

Whole Earth Telescope Observations of the subdwarf B star KPD 1930+2752: A rich, short period pulsator in a close binary

A. Baran, A.C. Quint, A. F. M. Costa, A.-Y. Zhou, B. Berkey, C. Akan, C. Cameron, C.-W. Chen, D. Bolton, D. J. Sullivan, D. Terry, D. W. Kurtz, D. W. Winget, D. Zsuffa, E. Leibowitz, F. Mullally, G. Stachowski, G. Vauclair, H.-C. Lin, H. Pablo, H. Wu, I. Bruni, J. Bodnarik, J.-E. Solheim, J. L. Provencal, J.M. Matthews, J.-P. Gou, J.R. Eggen, K. Sekiguchi, M.A. Morris, M. Chevreton, M. D. Reed, M. Paparo, M. Vuckovic, N. Dolez, O. Cakirli, P.-M. Binder, P. Moskalik, R. Avila, R. Crowe, R. H. Ostensen, R. Janulis, R. Pretorius, R. Riddle, R. Silvotti, R. Szabo, S. D. Kawaler, S.L. Harms, S.-L. Kim, S. Marinoni, S. McDaniel, S.O. Kepler, S. Poindexter, S. Stewart, S. Zola, W. Ogloza, W.-P. Chen, X.-J. Jian, Y. Lipkin, Z. Csubry, Z. Liu

arxiv:1011.0387 v2 · 2010-11-01 · 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{CHGXWUDTHFGJTGWBFKZ5TU5YZL}

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	2026-05-18T02:04:54.099723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11cd7b5073394c999ac12ab3d9d3b8cadff774703605e0ae2118aea8de49e91c

Aliases

arxiv: 1011.0387 · arxiv_version: 1011.0387v2 · doi: 10.48550/arxiv.1011.0387 · pith_short_12: CHGXWUDTHFGJ · pith_short_16: CHGXWUDTHFGJTGWB · pith_short_8: CHGXWUDT

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/CHGXWUDTHFGJTGWBFKZ5TU5YZL \
  | 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: 11cd7b5073394c999ac12ab3d9d3b8cadff774703605e0ae2118aea8de49e91c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a947a61148e9e1c9c11effb82e6a3b150bacdba6749a15219581ed8d8655e35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-11-01T17:18:12Z",
    "title_canon_sha256": "56c7db8bdb1b73d8ac78a00c6ee114d6bc3bcadcabf2045f97308d95def60eea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0387",
    "kind": "arxiv",
    "version": 2
  }
}