Pith Number

pith:MQORKIP7

pith:2014:MQORKIP7MIC7J3E5AQACO3TALH

not attested not anchored not stored refs pending

A Note on Homoclinic Orbits for Second Order Hamiltonian Systems

Bingyu Li, Donglun Wu, Fengying Li, Shiqing Zhang

arxiv:1409.5970 v2 · 2014-09-21 · 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{MQORKIP7MIC7J3E5AQACO3TALH}

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	2026-05-18T02:40:17.693837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

641d1521ff6205f4ec9d0400276e6059e3dbf03cda0654f59a4b6c4da0f66a52

Aliases

arxiv: 1409.5970 · arxiv_version: 1409.5970v2 · doi: 10.48550/arxiv.1409.5970 · pith_short_12: MQORKIP7MIC7 · pith_short_16: MQORKIP7MIC7J3E5 · pith_short_8: MQORKIP7

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/MQORKIP7MIC7J3E5AQACO3TALH \
  | 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: 641d1521ff6205f4ec9d0400276e6059e3dbf03cda0654f59a4b6c4da0f66a52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "600b16a16927c399dc1de7be53b488c9c6a2db42197e857a669065ed67a9fbed",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-09-21T11:17:52Z",
    "title_canon_sha256": "425e2301249d718c5e6fdb71848d256219498cf3c51e88b49244b9e585393d94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5970",
    "kind": "arxiv",
    "version": 2
  }
}