Pith Number

pith:NRP4DNHM

pith:2009:NRP4DNHMNSBZSXPLKP723CQJCC

not attested not anchored not stored refs pending

Partial Differential Hamiltonian Systems

L. Vitagliano

arxiv:0903.4528 v3 · 2009-03-26 · math.DG · 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{NRP4DNHMNSBZSXPLKP723CQJCC}

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	2026-05-18T03:11:22.418341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c5fc1b4ec6c83995deb53ffad8a09108b701ee6e150cbc04c92841f1972fa68

Aliases

arxiv: 0903.4528 · arxiv_version: 0903.4528v3 · doi: 10.48550/arxiv.0903.4528 · pith_short_12: NRP4DNHMNSBZ · pith_short_16: NRP4DNHMNSBZSXPL · pith_short_8: NRP4DNHM

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/NRP4DNHMNSBZSXPLKP723CQJCC \
  | 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: 6c5fc1b4ec6c83995deb53ffad8a09108b701ee6e150cbc04c92841f1972fa68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88744228c6a3353fd38d150a69036db09efdb26b6982696c36f93be0d8cb8354",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-03-26T16:22:37Z",
    "title_canon_sha256": "01201aa6d185cb71083aa27bf6263b8779d3880da6d0e34c9286fede6cea0f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4528",
    "kind": "arxiv",
    "version": 3
  }
}