Pith Number

pith:ZFL7N6HT

pith:2013:ZFL7N6HTTTSX74XESVX7OP6WIY

not attested not anchored not stored refs pending

Normal Forms, symmetry, and linearization of dynamical systems

D. Bambusi, G. Cicogna, G. Gaeta, G. Marmo

arxiv:1309.2405 v1 · 2013-09-10 · 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{ZFL7N6HTTTSX74XESVX7OP6WIY}

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	2026-05-18T01:47:43.881955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c957f6f8f39ce57ff2e4956ff73fd646070a30772dede4cc29f2b589bb74afd6

Aliases

arxiv: 1309.2405 · arxiv_version: 1309.2405v1 · doi: 10.48550/arxiv.1309.2405 · pith_short_12: ZFL7N6HTTTSX · pith_short_16: ZFL7N6HTTTSX74XE · pith_short_8: ZFL7N6HT

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/ZFL7N6HTTTSX74XESVX7OP6WIY \
  | 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: c957f6f8f39ce57ff2e4956ff73fd646070a30772dede4cc29f2b589bb74afd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d977123d0f36fe80d508d6d3d8156d6b52d6106e66141259d070c5b3b100513e",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-09-10T08:07:37Z",
    "title_canon_sha256": "e7a7d6894c8b2680b9b07870334bd37b1c4d771048545704479a7ca300142ff9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2405",
    "kind": "arxiv",
    "version": 1
  }
}