Pith Number

pith:ENOORRLM

pith:1996:ENOORRLMPF6GPVMHIDHZHPQ5SL

not attested not anchored not stored refs pending

Study of chaos in hamiltonian systems via convergent normal forms

Alfredo M. O. de Almeida, Werner M. Vieira

arxiv:chao-dyn/9606002 v1 · 1996-06-07 · 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{ENOORRLMPF6GPVMHIDHZHPQ5SL}

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	2026-05-18T01:40:11.855211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

235ce8c56c797c67d58740cf93be1d92cd2dadbff59ab5c38165fb93b9e424e7

Aliases

arxiv: chao-dyn/9606002 · arxiv_version: chao-dyn/9606002v1 · doi: 10.48550/arxiv.chao-dyn/9606002 · pith_short_12: ENOORRLMPF6G · pith_short_16: ENOORRLMPF6GPVMH · pith_short_8: ENOORRLM

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/ENOORRLMPF6GPVMHIDHZHPQ5SL \
  | 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: 235ce8c56c797c67d58740cf93be1d92cd2dadbff59ab5c38165fb93b9e424e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f45754037241ca6e6178b9a4c7c56b29f9d6dce08ce11a272173a3c681096a63",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "chao-dyn",
    "submitted_at": "1996-06-07T18:11:13Z",
    "title_canon_sha256": "5ed69cc03d3945696eb74f583366a32ff767bf9ef489bc5f51dd8f955103d2cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "chao-dyn/9606002",
    "kind": "arxiv",
    "version": 1
  }
}