Pith Number

pith:KSFQM7KT

pith:2018:KSFQM7KTJDRLWAAAI5OSSOJNMF

not attested not anchored not stored refs pending

Dimensionality and integrals of motion of the Trappist-1 planetary system

Hanno Rein, Johannes Flo\ss, Paul Brumer

arxiv:1802.08300 v2 · 2018-02-22 · astro-ph.EP · nlin.CD

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KSFQM7KTJDRLWAAAI5OSSOJNMF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:14:28.347268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

548b067d5348e2bb0000475d29392d6171a035c584ee3ca47f0a255a2ace8c3d

Aliases

arxiv: 1802.08300 · arxiv_version: 1802.08300v2 · doi: 10.48550/arxiv.1802.08300 · pith_short_12: KSFQM7KTJDRL · pith_short_16: KSFQM7KTJDRLWAAA · pith_short_8: KSFQM7KT

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/KSFQM7KTJDRLWAAAI5OSSOJNMF \
  | 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: 548b067d5348e2bb0000475d29392d6171a035c584ee3ca47f0a255a2ace8c3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d619b61866bda25d6fc7710fcf84c9b42db21200f40b4d2d05201f4e215acb8",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-22T21:12:56Z",
    "title_canon_sha256": "c0ebdbeec5f324282f69bd9eec0f280d49970a510577def71dacc8a28363549c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08300",
    "kind": "arxiv",
    "version": 2
  }
}