Pith Number

pith:AFPA44EK

pith:2017:AFPA44EKLP2A6IIOEHN7RMPLVI

not attested not anchored not stored refs pending

Index Theory for Zero Energy Solutions of the Planar Anisotropic Kepler Problem

Guowei Yu, Xijun Hu

arxiv:1705.05645 v2 · 2017-05-16 · 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{AFPA44EKLP2A6IIOEHN7RMPLVI}

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	2026-05-18T00:09:31.257198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

015e0e708a5bf40f210e21dbf8b1ebaa162502a0a939a38f0b26aed1d910666f

Aliases

arxiv: 1705.05645 · arxiv_version: 1705.05645v2 · doi: 10.48550/arxiv.1705.05645 · pith_short_12: AFPA44EKLP2A · pith_short_16: AFPA44EKLP2A6IIO · pith_short_8: AFPA44EK

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/AFPA44EKLP2A6IIOEHN7RMPLVI \
  | 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: 015e0e708a5bf40f210e21dbf8b1ebaa162502a0a939a38f0b26aed1d910666f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad0def0881230da7be0e554e95c0ca3173a22d5e5b223571aefd6cb8a6fb1813",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-05-16T11:11:18Z",
    "title_canon_sha256": "adf020a588176b15e90bac4346b24eec8d90b1a9f0bcc965c239b0d35fc75bba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05645",
    "kind": "arxiv",
    "version": 2
  }
}