Pith Number

pith:7CJKCVK7

pith:2020:7CJKCVK7JXGD4KTASXH25NIQP2

not attested not anchored not stored refs pending

The path to instability in compact multi-planetary systems

Anders Johansen, Antoine C. Petit, Gabriele Pichierri, Melvyn B. Davies

arxiv:2006.14903 v2 · 2020-06-26 · 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{7CJKCVK7JXGD4KTASXH25NIQP2}

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	2026-07-05T01:39:01.771800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f892a1555f4dcc3e2a6095cfaeb5107ea00e6d55d2712f8e84f7064d744e189c

Aliases

arxiv: 2006.14903 · arxiv_version: 2006.14903v2 · doi: 10.48550/arxiv.2006.14903 · pith_short_12: 7CJKCVK7JXGD · pith_short_16: 7CJKCVK7JXGD4KTA · pith_short_8: 7CJKCVK7

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/7CJKCVK7JXGD4KTASXH25NIQP2 \
  | 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: f892a1555f4dcc3e2a6095cfaeb5107ea00e6d55d2712f8e84f7064d744e189c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1405e27d93bef840db440c4c6f065b243d5b3a0cd7b3851a37eef6ffa7f69ba5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-06-26T10:44:18Z",
    "title_canon_sha256": "fe8536318a66a5162c8cb696d4589c1de28ea24931aa7055787b1b3875658856"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.14903",
    "kind": "arxiv",
    "version": 2
  }
}