Pith Number

pith:QHHBSSDO

pith:2011:QHHBSSDOBIW3DPZ22FXCKYS7YS

not attested not anchored not stored refs pending

Kepler observations of variability in B-type stars

A. Pigulski, C. A. Engelbrecht, Christensen-Dalsgaard, D. A. Caldwell, D. Pricopi, D. T. Sanderfer, E. M. Green, F. Frescura, F. R. Girouard, G. Handler, H. Kjeldsen, I. Roxburgh, J. C. Suarez, J. Cuypers, J. Daszynska-Daszkiewicz, J Gutierrez-Soto, K. Uytterhoeven, L. A. Balona, M. A. Smith, M. Briquet, M. Suran, P. De Cat, P. Degroote, R. A. Garcia, R. J. Dukes, R. Ostensen, R. Szabo, S. D. Kawaler, S. Salmon, U. Heber

arxiv:1103.0644 v1 · 2011-03-03 · 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{QHHBSSDOBIW3DPZ22FXCKYS7YS}

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	2026-05-18T02:03:00.529382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ce19486e0a2db1bf3ad16e25625fc4b498c8753028e6b92cff009d719d65e3

Aliases

arxiv: 1103.0644 · arxiv_version: 1103.0644v1 · doi: 10.48550/arxiv.1103.0644 · pith_short_12: QHHBSSDOBIW3 · pith_short_16: QHHBSSDOBIW3DPZ2 · pith_short_8: QHHBSSDO

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/QHHBSSDOBIW3DPZ22FXCKYS7YS \
  | 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: 81ce19486e0a2db1bf3ad16e25625fc4b498c8753028e6b92cff009d719d65e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a43021ed64bb984aeb9a7a1964ef6cc1a50b35e09a32e7061be298aea01e008e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-03T10:20:53Z",
    "title_canon_sha256": "d2c55b14990017b8ad7796175350dff409684227a056a54fe577ea13f7b4730d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0644",
    "kind": "arxiv",
    "version": 1
  }
}