Pith Number

pith:PVFJVCFU

pith:2018:PVFJVCFUAL673BBF2KS7ALA5KI

not attested not anchored not stored refs pending

Hidden Planetary Friends: On the Stability Of 2-Planet Systems in the Presence of a Distant, Inclined Companion

Alexander P. Stephan, Bao-Minh Hoang, Paul Denham, Smadar Naoz, Will M. Farr

arxiv:1802.00447 v1 · 2018-02-01 · astro-ph.EP · 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{PVFJVCFUAL673BBF2KS7ALA5KI}

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	2026-05-18T00:01:30.180667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d4a9a88b402fdfd8425d2a5f02c1d522a81252110cb59ce6b6920c7583d2edd

Aliases

arxiv: 1802.00447 · arxiv_version: 1802.00447v1 · doi: 10.48550/arxiv.1802.00447 · pith_short_12: PVFJVCFUAL67 · pith_short_16: PVFJVCFUAL673BBF · pith_short_8: PVFJVCFU

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/PVFJVCFUAL673BBF2KS7ALA5KI \
  | 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: 7d4a9a88b402fdfd8425d2a5f02c1d522a81252110cb59ce6b6920c7583d2edd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0d6303871d1736374796c9d89b99b6321311a461f4fa7089ce477b1974c1858",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-01T19:00:01Z",
    "title_canon_sha256": "53ee2020909753324a26f7bc93aeaa3cd7343e7ce4bdc8a2118b92b7bda5f45d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00447",
    "kind": "arxiv",
    "version": 1
  }
}