Pith Number

pith:3WJ5AOBC

pith:2011:3WJ5AOBCKTKTXOXKAHCVAPHBQH

not attested not anchored not stored refs pending

The shortest period detached white dwarf + main-sequence binary

A. J. Drake, A. Rebassa-Mansergas, B. T. G\"ansicke, C. M. Copperwheat, D. Koester, M. R. Schreiber, S. G. Parsons, S. P. Littlefair, S. Pyrzas, T. R. Marsh, V. S. Dhillon

arxiv:1108.5029 v1 · 2011-08-25 · 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{3WJ5AOBCKTKTXOXKAHCVAPHBQH}

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	2026-05-18T02:00:48.295461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd93d0382254d53bbaea01c5503ce181cc329bff74d38d8c7accdd0961a8c2b6

Aliases

arxiv: 1108.5029 · arxiv_version: 1108.5029v1 · doi: 10.48550/arxiv.1108.5029 · pith_short_12: 3WJ5AOBCKTKT · pith_short_16: 3WJ5AOBCKTKTXOXK · pith_short_8: 3WJ5AOBC

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/3WJ5AOBCKTKTXOXKAHCVAPHBQH \
  | 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: dd93d0382254d53bbaea01c5503ce181cc329bff74d38d8c7accdd0961a8c2b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6874a3e72f2f1b9ce9a2c18467b8043117520552681851213c67ab8e2e69f791",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-25T07:32:07Z",
    "title_canon_sha256": "e4401bbba62263d4bcc32c1ddf687f06ae28525a007e8ff0bb44362d22ddc69b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5029",
    "kind": "arxiv",
    "version": 1
  }
}