pith. the verified trust layer for science. sign in
Pith Number

pith:ZH7RKEPQ

pith:2017:ZH7RKEPQ22JRPRT4UOTCS7N6V2
not attested not anchored not stored refs pending

Improved stability for analytic quasi-convex nearly integrable systems and optimal speed of Arnold diffusion

Jianlu Zhang, Ke Zhang

arxiv:1701.06026 v1 · 2017-01-21 · math.DS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZH7RKEPQ22JRPRT4UOTCS7N6V2}

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 2026-05-18T00:41:37.405523Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c9ff1511f0d69317c67ca3a6297dbeae96028204d170796df37bb757e113593d

Aliases

arxiv: 1701.06026 · arxiv_version: 1701.06026v1 · doi: 10.48550/arxiv.1701.06026 · pith_short_12: ZH7RKEPQ22JR · pith_short_16: ZH7RKEPQ22JRPRT4 · pith_short_8: ZH7RKEPQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZH7RKEPQ22JRPRT4UOTCS7N6V2 \
  | 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: c9ff1511f0d69317c67ca3a6297dbeae96028204d170796df37bb757e113593d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cb77705cf7df169079394cf4e7e96a76f7692e9bf4c8e3f8621f7c4a9486ca7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-01-21T13:46:00Z",
    "title_canon_sha256": "6f23294a2a16c653fd98ce174d56539744bc54487359218fc2d90b29eaa0a901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06026",
    "kind": "arxiv",
    "version": 1
  }
}