Pith Number

pith:NDWISTQE

pith:2013:NDWISTQESGNJY5BMFUWASPDEQ7

not attested not anchored not stored refs pending

Global structure of regular tori in a generic 4D symplectic map

2), 2) ((1) Institut f\"ur Theoretische Physik, Arnd B\"acker (1, Center for Dynamics, Franziska Onken (1), Martin Richter (1, Roland Ketzmerick (1, Steffen Lange (1, Technische Universit\"at Dresden (2) Max-Planck-Institut f\"ur Physik komplexer Systeme)

arxiv:1311.7632 v2 · 2013-11-29 · nlin.CD · 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{NDWISTQESGNJY5BMFUWASPDEQ7}

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	2026-05-18T02:49:28.706434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68ec894e04919a9c742c2d2c093c6487cf918dec1f5c7877aee61dbc363d0d42

Aliases

arxiv: 1311.7632 · arxiv_version: 1311.7632v2 · doi: 10.48550/arxiv.1311.7632 · pith_short_12: NDWISTQESGNJ · pith_short_16: NDWISTQESGNJY5BM · pith_short_8: NDWISTQE

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/NDWISTQESGNJY5BMFUWASPDEQ7 \
  | 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: 68ec894e04919a9c742c2d2c093c6487cf918dec1f5c7877aee61dbc363d0d42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f30530217b3c63be7819c164c7fc7a55321758ba7dc46f66378329bf9177bb94",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2013-11-29T16:54:29Z",
    "title_canon_sha256": "79e48a9445d70543b59a7754902060eae55699a7a0425dd1b644d6ce4a2e1bb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7632",
    "kind": "arxiv",
    "version": 2
  }
}