Pith Number

pith:BH3UZI45

pith:2018:BH3UZI45ZXCZ55WTUPI4E5EHUQ

not attested not anchored not stored refs pending

The resilience of Kepler systems to stellar obliquity

Christopher Spalding, Konstantin Batygin, Noah W. Marx

arxiv:1803.01182 v1 · 2018-03-03 · 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{BH3UZI45ZXCZ55WTUPI4E5EHUQ}

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	2026-05-18T00:18:51.601400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09f74ca39dcdc59ef6d3a3d1c27487a409a6b12161832f0e9b93718b4232cbc6

Aliases

arxiv: 1803.01182 · arxiv_version: 1803.01182v1 · doi: 10.48550/arxiv.1803.01182 · pith_short_12: BH3UZI45ZXCZ · pith_short_16: BH3UZI45ZXCZ55WT · pith_short_8: BH3UZI45

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/BH3UZI45ZXCZ55WTUPI4E5EHUQ \
  | 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: 09f74ca39dcdc59ef6d3a3d1c27487a409a6b12161832f0e9b93718b4232cbc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e96b07ac847b563441f2e18feffd81ae795f8b34039ca9d072782f0af404954",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-03T15:16:32Z",
    "title_canon_sha256": "d03939ba81b5ea75ac8cd6ecde8bbdfc45de324725e60e57c27f1ab544b15cf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01182",
    "kind": "arxiv",
    "version": 1
  }
}