Pith Number

pith:UFI6KYEL

pith:2014:UFI6KYEL2F4HRRUZUJWGWBLEA4

not attested not anchored not stored refs pending

An extensive resonant normal form for an arbitrary large Klein-Gordon model

Simone Paleari, Tiziano Penati

arxiv:1404.2730 v2 · 2014-04-10 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFI6KYEL2F4HRRUZUJWGWBLEA4}

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	2026-05-18T02:31:11.813481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a151e5608bd17878c699a26c6b0564070004a16ffeb111080f04fe85247c38bb

Aliases

arxiv: 1404.2730 · arxiv_version: 1404.2730v2 · doi: 10.48550/arxiv.1404.2730 · pith_short_12: UFI6KYEL2F4H · pith_short_16: UFI6KYEL2F4HRRUZ · pith_short_8: UFI6KYEL

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/UFI6KYEL2F4HRRUZUJWGWBLEA4 \
  | 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: a151e5608bd17878c699a26c6b0564070004a16ffeb111080f04fe85247c38bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c4873b4875f36490e5129b0b5631956d6d89143b71d976fa83291cf64d6ee09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-04-10T08:31:09Z",
    "title_canon_sha256": "e240e00d0c845c4802cc1c661d8c34534b3f7593f878a24fb7199400c734cf5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2730",
    "kind": "arxiv",
    "version": 2
  }
}