Pith Number

pith:W27W5PPC

pith:2018:W27W5PPCLSV3TCFYEP2VM4IVIP

not attested not anchored not stored refs pending

Masses of the Kepler-419 Planets from Transit Timing Variations Analysis

A. Costa de Souza, D. Nesvorny, F. Roig, X. Saad-Olivera

arxiv:1811.00107 v1 · 2018-10-31 · 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{W27W5PPCLSV3TCFYEP2VM4IVIP}

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	2026-05-18T00:00:47.034144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6bf6ebde25cabb988b823f556711543cb75ac7b06f64e522e35ddaa85d25a1e

Aliases

arxiv: 1811.00107 · arxiv_version: 1811.00107v1 · doi: 10.48550/arxiv.1811.00107 · pith_short_12: W27W5PPCLSV3 · pith_short_16: W27W5PPCLSV3TCFY · pith_short_8: W27W5PPC

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/W27W5PPCLSV3TCFYEP2VM4IVIP \
  | 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: b6bf6ebde25cabb988b823f556711543cb75ac7b06f64e522e35ddaa85d25a1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c6c406cab5959555fa40a2662a865baef76bb468859d1776b1490a115a3b98c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-10-31T20:44:04Z",
    "title_canon_sha256": "08157d8ffe624a6f9a64c3356590ceb20f5bc8a661ef9470039bcd2798b6959f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00107",
    "kind": "arxiv",
    "version": 1
  }
}