Pith Number

pith:LXKSW4L3

pith:2018:LXKSW4L3NMO2K2DUL5VTCWDFO3

not attested not anchored not stored refs pending

Contact Hamiltonian Systems

Manuel de Le\'on, Manuel Lainz Valc\'azar

arxiv:1811.03367 v1 · 2018-11-08 · math.SG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXKSW4L3NMO2K2DUL5VTCWDFO3}

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	2026-07-05T00:18:50.000547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dd52b717b6b1da568745f6b31586576eddb4ea3df47ed679fcff85e4db12ffb

Aliases

arxiv: 1811.03367 · arxiv_version: 1811.03367v1 · doi: 10.48550/arxiv.1811.03367 · pith_short_12: LXKSW4L3NMO2 · pith_short_16: LXKSW4L3NMO2K2DU · pith_short_8: LXKSW4L3

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/LXKSW4L3NMO2K2DUL5VTCWDFO3 \
  | 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: 5dd52b717b6b1da568745f6b31586576eddb4ea3df47ed679fcff85e4db12ffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c36a26b344789ea03f3d248cb92d1bf64a2fe8a829486ba4bebadfe33442cfc",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2018-11-08T11:45:02Z",
    "title_canon_sha256": "a54a636e2d7c2c4c7edd193ba9e9b3ee578b9a565c17bdbc7f8c001c6df25937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03367",
    "kind": "arxiv",
    "version": 1
  }
}