Pith Number

pith:UI7D3FBI

pith:2025:UI7D3FBILGTYKJZ66RHHABWV7T

not attested not anchored not stored refs pending

The existence of explicit symplectic integrators for general nonseparable Hamiltonian systems

Lijie Mei, Xinyuan Wu, Yaolin Jiang

arxiv:2504.12567 v1 · 2025-04-17 · math.NA · cs.NA

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\usepackage{pith}
\pithnumber{UI7D3FBILGTYKJZ66RHHABWV7T}

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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.

Cited by

1 paper in Pith

Efficient high-order explicit symplectic splitting methods for post-Newtonian Hamiltonian systems

Receipt and verification

First computed	2026-07-05T10:50:18.480591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a23e3d942859a785273ef44e7006d5fcebc826e2e68a451076c513d4053f5446

Aliases

arxiv: 2504.12567 · arxiv_version: 2504.12567v1 · doi: 10.48550/arxiv.2504.12567 · pith_short_12: UI7D3FBILGTY · pith_short_16: UI7D3FBILGTYKJZ6 · pith_short_8: UI7D3FBI

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/UI7D3FBILGTYKJZ66RHHABWV7T \
  | 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: a23e3d942859a785273ef44e7006d5fcebc826e2e68a451076c513d4053f5446

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "599f73d50386fe980de0d30b1288e7591a91cdd4433498ba8a61d5caabc4ba0b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-17T01:32:43Z",
    "title_canon_sha256": "8e730fb83d08abb1d02c95b29528a39907da3bfd8d2f3cdf180df59d820055d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.12567",
    "kind": "arxiv",
    "version": 1
  }
}