Pith Number

pith:7LPJPVLO

pith:2009:7LPJPVLOOLDYHYNDEVJXCLVHS6

not attested not anchored not stored refs pending

PHL 5038: A spatially resolved white dwarf + brown dwarf binary

B.T. Gaensicke, J. Farihi, M.A. Barstow, M.R. Burleigh, P.D. Dobbie, P.R. Steele, R.F. Jameson

arxiv:0903.3219 v2 · 2009-03-18 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LPJPVLOOLDYHYNDEVJXCLVHS6}

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	2026-05-18T02:14:27.472087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fade97d56e72c783e1a32553712ea797906f31c4c413b063560f4caa1da6e7ca

Aliases

arxiv: 0903.3219 · arxiv_version: 0903.3219v2 · doi: 10.48550/arxiv.0903.3219 · pith_short_12: 7LPJPVLOOLDY · pith_short_16: 7LPJPVLOOLDYHYND · pith_short_8: 7LPJPVLO

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/7LPJPVLOOLDYHYNDEVJXCLVHS6 \
  | 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: fade97d56e72c783e1a32553712ea797906f31c4c413b063560f4caa1da6e7ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00d39f299f9ba093c26035050806c989a642eb07b3557bfccd225ab96f74a4a1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-18T18:41:03Z",
    "title_canon_sha256": "e8852d011389ff5412112d99764761f2ef26e22639e043ee77225fc5898fb8c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3219",
    "kind": "arxiv",
    "version": 2
  }
}