Pith Number

pith:5SR6D4XA

pith:2020:5SR6D4XAH5EKDZYTJ42JPHSFX5

not attested not anchored not stored refs pending

Doubly-symmetric periodic orbits in the spatial Hill's lunar problem with oblate secondary primary

Xingbo Xu

arxiv:2001.00120 v1 · 2020-01-01 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SR6D4XAH5EKDZYTJ42JPHSFX5}

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	2026-07-05T00:29:11.848175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eca3e1f2e03f48a1e7134f34979e45bf796f3e17d6c4dc5da4c5f76ab7ffffec

Aliases

arxiv: 2001.00120 · arxiv_version: 2001.00120v1 · doi: 10.48550/arxiv.2001.00120 · pith_short_12: 5SR6D4XAH5EK · pith_short_16: 5SR6D4XAH5EKDZYT · pith_short_8: 5SR6D4XA

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/5SR6D4XAH5EKDZYTJ42JPHSFX5 \
  | 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: eca3e1f2e03f48a1e7134f34979e45bf796f3e17d6c4dc5da4c5f76ab7ffffec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20af6e24cf5e63b7b6b8629a6cb986b4d2c272d0b1da3c8b0c70f3519d299c6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2020-01-01T01:09:50Z",
    "title_canon_sha256": "f1b82f39ee2ec0f0b7631e7ce92d0d50e068ae26ff5e4fe87f50bfa5a32408c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00120",
    "kind": "arxiv",
    "version": 1
  }
}