Pith Number

pith:K7PQ3OUG

pith:1998:K7PQ3OUGNLYT6Z2YRDX74FIPTH

not attested not anchored not stored refs pending

An Approximate KAM-Renormalization-Group Scheme for Hamiltonian Systems

C. Chandre, G. Benfatto, H. R. Jauslin

arxiv:chao-dyn/9805019 v1 · 1998-05-22 · chao-dyn · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7PQ3OUGNLYT6Z2YRDX74FIPTH}

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	2026-05-18T01:40:11.652599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57df0dba866af13f675888effe150f99d7789db4b7b4811f211cf111f31f7c34

Aliases

arxiv: chao-dyn/9805019 · arxiv_version: chao-dyn/9805019v1 · doi: 10.48550/arxiv.chao-dyn/9805019 · pith_short_12: K7PQ3OUGNLYT · pith_short_16: K7PQ3OUGNLYT6Z2Y · pith_short_8: K7PQ3OUG

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/K7PQ3OUGNLYT6Z2YRDX74FIPTH \
  | 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: 57df0dba866af13f675888effe150f99d7789db4b7b4811f211cf111f31f7c34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf524858d4ccba7b8fe3b0afa799f13d1851914da735396bbf564ee32b8d107a",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "chao-dyn",
    "submitted_at": "1998-05-22T14:40:33Z",
    "title_canon_sha256": "910d79151645f6a6956d48519adffcdea25b19f02ab4eedb39e773faf946334f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "chao-dyn/9805019",
    "kind": "arxiv",
    "version": 1
  }
}