Pith Number

pith:KQ53ZTCW

pith:2022:KQ53ZTCW4KP4JETCKXYNLLOKSQ

not attested not anchored not stored refs pending

A New Method for Finding Nearby White Dwarf Exoplanets and Detecting Biosignatures

Andrew Vanderburg, Caroline Morley, Jacob Lustig-Yaeger, Kevin B. Stevenson, Markus Janson, Mary Anne Limbach, Melinda Soares-Furtado, Simon Blouin

arxiv:2209.12914 v1 · 2022-09-26 · astro-ph.EP · astro-ph.IM · 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{KQ53ZTCW4KP4JETCKXYNLLOKSQ}

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	2026-07-05T05:05:39.886172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

543bbccc56e29fc4926255f0d5adca940bf85d791f77358a676451d723c96b1a

Aliases

arxiv: 2209.12914 · arxiv_version: 2209.12914v1 · doi: 10.48550/arxiv.2209.12914 · pith_short_12: KQ53ZTCW4KP4 · pith_short_16: KQ53ZTCW4KP4JETC · pith_short_8: KQ53ZTCW

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/KQ53ZTCW4KP4JETCKXYNLLOKSQ \
  | 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: 543bbccc56e29fc4926255f0d5adca940bf85d791f77358a676451d723c96b1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4f1850203488daf8684aafe22d885d4d8a20509cc6552dacc940805c247e872",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-09-26T18:00:09Z",
    "title_canon_sha256": "510cff1188270ae3a57473750a9368f19e506a98d52e99f8b2f5bb5a42c49c63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.12914",
    "kind": "arxiv",
    "version": 1
  }
}