Pith Number

pith:O4XUN56O

pith:1999:O4XUN56OXW3MAJTMHXWQHZIWCA

not attested not anchored not stored refs pending

Multichannel Quantum Defect Theory: a Quantum Poincare Map

F. Leyvraz, M. Lombardi, R. A. Mendez-Sanchez, T. H. Seligman

arxiv:chao-dyn/9905038 v2 · 1999-05-25 · 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{O4XUN56OXW3MAJTMHXWQHZIWCA}

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	2026-05-18T01:07:24.495001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

772f46f7cebdb6c0266c3ded03e5161004c63591e5f253ae4e535eae2f47d8c9

Aliases

arxiv: chao-dyn/9905038 · arxiv_version: chao-dyn/9905038v2 · doi: 10.48550/arxiv.chao-dyn/9905038 · pith_short_12: O4XUN56OXW3M · pith_short_16: O4XUN56OXW3MAJTM · pith_short_8: O4XUN56O

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/O4XUN56OXW3MAJTMHXWQHZIWCA \
  | 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: 772f46f7cebdb6c0266c3ded03e5161004c63591e5f253ae4e535eae2f47d8c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e76eda4003fb87071ffc298409641c5ab6f4897817d1bac4dfabec88ceec8f1",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "chao-dyn",
    "submitted_at": "1999-05-25T18:58:08Z",
    "title_canon_sha256": "e48717c241e531ac7ce3ef5dffff1b88e2e6fc8514f4334bd198f83da53e1c0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "chao-dyn/9905038",
    "kind": "arxiv",
    "version": 2
  }
}