Pith Number

pith:DS7L5GPV

pith:2013:DS7L5GPVCUHQQ2GSWODU63B46W

not attested not anchored not stored refs pending

Integrable Approximation of Regular Islands: The Iterative Canonical Transformation Method

2), 2) ((1) Technische Universit\"at Dresden, (2) Max-Planck-Institut f\"ur Physik komplexer Systeme (3) Technische Universit\"at Dresden, 3), Arnd B\"acker (1, Center for Dynamics, Clemens L\"obner (1, Institut f\"ur Theoretische Physik, OncoRay - National Center for Radiation Research in Oncology), Roland Ketzmerick (1, Steffen L\"ock (1

arxiv:1308.1561 v2 · 2013-08-07 · nlin.CD · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DS7L5GPVCUHQQ2GSWODU63B46W}

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	2026-05-18T03:05:28.005035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cbebe99f5150f0868d2b3874f6c3cf590a0b09fe4637e9b5f26eac5cc6abaa1

Aliases

arxiv: 1308.1561 · arxiv_version: 1308.1561v2 · doi: 10.48550/arxiv.1308.1561 · pith_short_12: DS7L5GPVCUHQ · pith_short_16: DS7L5GPVCUHQQ2GS · pith_short_8: DS7L5GPV

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/DS7L5GPVCUHQQ2GSWODU63B46W \
  | 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: 1cbebe99f5150f0868d2b3874f6c3cf590a0b09fe4637e9b5f26eac5cc6abaa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4347b6c96ce5d6c62f96f7f2f7620c406cc986b3b9f89211eccb5bb0c19962e1",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2013-08-07T13:09:36Z",
    "title_canon_sha256": "0e8054b8c20c7be99b2f082dd8d8ac9f368134398331a14b6e212649806530a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1561",
    "kind": "arxiv",
    "version": 2
  }
}