Pith Number

pith:7EAYJCWV

pith:2019:7EAYJCWVKTUWMXCKDS622TRHAL

not attested not anchored not stored refs pending

Multiplanet systems in inviscid discs can avoid forming resonant chains

Colin P. McNally, Richard P. Nelson, Sijme-Jan Paardekooper

arxiv:1907.09313 v1 · 2019-07-22 · 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{7EAYJCWVKTUWMXCKDS622TRHAL}

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	2026-07-04T23:50:21.506753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f901848ad554e9665c4a1cbdad4e2702cbb9d87438fda27e3160c6477cfb6ac4

Aliases

arxiv: 1907.09313 · arxiv_version: 1907.09313v1 · doi: 10.48550/arxiv.1907.09313 · pith_short_12: 7EAYJCWVKTUW · pith_short_16: 7EAYJCWVKTUWMXCK · pith_short_8: 7EAYJCWV

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/7EAYJCWVKTUWMXCKDS622TRHAL \
  | 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: f901848ad554e9665c4a1cbdad4e2702cbb9d87438fda27e3160c6477cfb6ac4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e81254b28399601fa6ba0d4da3995ad85d84327eb0817de7c6d7971cf93ecaf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-07-22T13:26:25Z",
    "title_canon_sha256": "b16430707b191aca01bdf1f82bcf9075008b6bd2d3b909751d03cbd4e0d3ef9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09313",
    "kind": "arxiv",
    "version": 1
  }
}