Pith Number

pith:IJJ5O7T2

pith:1999:IJJ5O7T2B737SEOTFSFBM47RBR

not attested not anchored not stored refs pending

Quantum Resonances and Regularity Islands in Quantum Maps

D. Alonso, G. Casati, O.V. Zhirov, V.V. Sokolov

arxiv:chao-dyn/9912009 v1 · 1999-12-07 · 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{IJJ5O7T2B737SEOTFSFBM47RBR}

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	2026-05-18T03:36:25.507896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4253d77e7a0ff7f911d32c8a1673f10c6cf35659fcaa8051e8bcaf7675d9b81f

Aliases

arxiv: chao-dyn/9912009 · arxiv_version: chao-dyn/9912009v1 · doi: 10.48550/arxiv.chao-dyn/9912009 · pith_short_12: IJJ5O7T2B737 · pith_short_16: IJJ5O7T2B737SEOT · pith_short_8: IJJ5O7T2

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/IJJ5O7T2B737SEOTFSFBM47RBR \
  | 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: 4253d77e7a0ff7f911d32c8a1673f10c6cf35659fcaa8051e8bcaf7675d9b81f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cf7f908314336a588cd5cbe436c8d1bbd94e3743fe8b6e8f97f9c5223dade1c",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "chao-dyn",
    "submitted_at": "1999-12-07T12:46:10Z",
    "title_canon_sha256": "6b414f0ee422341f059d09afd91ad3a4fbda3819fb02972b6c6d713334fb6b2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "chao-dyn/9912009",
    "kind": "arxiv",
    "version": 1
  }
}