Pith Number

pith:N4JOL3LC

pith:2026:N4JOL3LCQJBAXIARSVJGHIJEQW

not attested not anchored not stored refs pending

Kepler Discovery of GW Vir Pulsations of the Central Star of Planetary Nebula Kn 61

Gerald Handler, J. J. Hermes, Keaton J. Bell, Paulina Sowicka

arxiv:2605.25190 v1 · 2026-05-24 · 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{N4JOL3LCQJBAXIARSVJGHIJEQW}

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	2026-05-26T02:04:22.256767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f12e5ed6282420ba011955263a124859435bf7bc0a032cbc476455d4e4098f4

Aliases

arxiv: 2605.25190 · arxiv_version: 2605.25190v1 · doi: 10.48550/arxiv.2605.25190 · pith_short_12: N4JOL3LCQJBA · pith_short_16: N4JOL3LCQJBAXIAR · pith_short_8: N4JOL3LC

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/N4JOL3LCQJBAXIARSVJGHIJEQW \
  | 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: 6f12e5ed6282420ba011955263a124859435bf7bc0a032cbc476455d4e4098f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b6d02b03daad04420ebdb9894f315d9e27354c5303893cb987035aba300623",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-05-24T17:38:09Z",
    "title_canon_sha256": "14384cadc78f9d53fd26760e0124414ff190dc5d1ca66f484902461540d34502"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25190",
    "kind": "arxiv",
    "version": 1
  }
}