Pith Number

pith:H2KXGEQ7

pith:2020:H2KXGEQ7RRCFCYW5YGDZMUDYWO

not attested not anchored not stored refs pending

Variational attraction of the KAM torus for the conformally symplectic system

Jianlu Zhang, Kai Zhao, Liang Jin

arxiv:2009.12532 v2 · 2020-09-26 · math.DS · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H2KXGEQ7RRCFCYW5YGDZMUDYWO}

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	2026-07-05T03:47:13.321184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e9573121f8c445162ddc187965078b3b20dfeb5c7ca8542476aab3502853726

Aliases

arxiv: 2009.12532 · arxiv_version: 2009.12532v2 · doi: 10.48550/arxiv.2009.12532 · pith_short_12: H2KXGEQ7RRCF · pith_short_16: H2KXGEQ7RRCFCYW5 · pith_short_8: H2KXGEQ7

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/H2KXGEQ7RRCFCYW5YGDZMUDYWO \
  | 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: 3e9573121f8c445162ddc187965078b3b20dfeb5c7ca8542476aab3502853726

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94a29dc14e174a38c03a1fb90f2b63e2d98d012d8d65afb35c639ea10eead0dd",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2020-09-26T08:13:50Z",
    "title_canon_sha256": "b6a11f79985bf49088ddd2a5a5e38a6c6d2a1c132873e8bd26e09e47b09146b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12532",
    "kind": "arxiv",
    "version": 2
  }
}