Pith Number

pith:NN4DJRMJ

pith:2018:NN4DJRMJZFYSYLK7DKEP2WOBGB

not attested not anchored not stored refs pending

Kepler-78 and the Ultra-Short-Period Planets

Joshua N. Winn, Roberto Sanchis-Ojeda, Saul Rappaport

arxiv:1803.03303 v4 · 2018-03-08 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NN4DJRMJZFYSYLK7DKEP2WOBGB}

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.

Cited by

1 paper in Pith

Companion Architectures of Sub-Saturns: Distinct Migration Pathways Across the Neptunian Landscape

Receipt and verification

First computed	2026-07-05T00:40:52.303819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b7834c589c9712c2d5f1a88fd59c1305bfd2399b121692519d7f3e8cf497732

Aliases

arxiv: 1803.03303 · arxiv_version: 1803.03303v4 · doi: 10.48550/arxiv.1803.03303 · pith_short_12: NN4DJRMJZFYS · pith_short_16: NN4DJRMJZFYSYLK7 · pith_short_8: NN4DJRMJ

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/NN4DJRMJZFYSYLK7DKEP2WOBGB \
  | 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: 6b7834c589c9712c2d5f1a88fd59c1305bfd2399b121692519d7f3e8cf497732

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ace56be2ee3c728785253534eed2e479e77e2660750da597d03a3712c5a3b148",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-08T21:00:02Z",
    "title_canon_sha256": "8e1bb233a4f82178751c6c0605d4a4ed4a6c01cd3276d26b3d7064da90bbd1a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03303",
    "kind": "arxiv",
    "version": 4
  }
}