Pith Number

pith:WMWHSKRW

pith:2008:WMWHSKRW4K4LM6L4ZQOXDWO2GQ

not attested not anchored not stored refs pending

Whole Earth Telescope observations of the hot helium atmosphere pulsating white dwarf EC 20058-5234

A. Bischoff-Kim, A. Kanaan, A. Nitta, D.E. Winget, D. Kilkenny, D. O'Donoghue, E.M. Leibowitz, F. van Wyk, G. Pajdosz, G. Vauclair, J. Krzesinski, M. Chevreton, M.H. Montgomery, M.S. O'Brien, M. Wood, N. Dolez, P. Ibbetson, R.E. Nather, S.D. Kawaler, S.O. Kepler, S. Zola, T.S. Metcalfe, WET Collaboration: D.J. Sullivan, X.J. Jiang

arxiv:0803.1638 v1 · 2008-03-11 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WMWHSKRW4K4LM6L4ZQOXDWO2GQ}

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	2026-07-04T15:12:13.454336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b32c792a36e2b8b6797ccc1d71d9da3411b6d6ac4a5b92ce6300e701fff20d4a

Aliases

arxiv: 0803.1638 · arxiv_version: 0803.1638v1 · doi: 10.48550/arxiv.0803.1638 · pith_short_12: WMWHSKRW4K4L · pith_short_16: WMWHSKRW4K4LM6L4 · pith_short_8: WMWHSKRW

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/WMWHSKRW4K4LM6L4ZQOXDWO2GQ \
  | 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: b32c792a36e2b8b6797ccc1d71d9da3411b6d6ac4a5b92ce6300e701fff20d4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f22b7d8dc94308c55eb48e97c214415b1795ed6ac798903fda31e326c0196972",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-11T17:24:43Z",
    "title_canon_sha256": "a64607b8806afdb6ac02e2a0ac56f749ef577b38d23686d847662eaf6c6b088d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1638",
    "kind": "arxiv",
    "version": 1
  }
}