pith. sign in
Pith Number

pith:RRHWLJOD

pith:2019:RRHWLJOD4DKH6NIKGULLEF55BF
not attested not anchored not stored refs pending

On the 9:7 Mean Motion Resonance Capture in a System of Two Equal-mass Super-Earths

Ewa Szuszkiewicz, John C. B. Papaloizou, Zijia Cui

arxiv:1902.00437 v1 · 2019-02-01 · astro-ph.EP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RRHWLJOD4DKH6NIKGULLEF55BF}

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 2026-05-17T23:53:20.537240Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8c4f65a5c3e0d47f350a3516b217bd0952aa3d3d24fea57c87c11134c94069d8

Aliases

arxiv: 1902.00437 · arxiv_version: 1902.00437v1 · doi: 10.48550/arxiv.1902.00437 · pith_short_12: RRHWLJOD4DKH · pith_short_16: RRHWLJOD4DKH6NIK · pith_short_8: RRHWLJOD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RRHWLJOD4DKH6NIKGULLEF55BF \
  | 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: 8c4f65a5c3e0d47f350a3516b217bd0952aa3d3d24fea57c87c11134c94069d8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ad5e8df223c7738b1ac0d4a86fdd2ebd781c61708fa28fac99cb8362ade6d2ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-02-01T16:22:48Z",
    "title_canon_sha256": "e0b40d57deaee90b434b1d8fae5e8eb35c01fc0038cc2017e94aba797f1df2ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00437",
    "kind": "arxiv",
    "version": 1
  }
}