Pith Number

pith:VEZCRRMG

pith:2018:VEZCRRMG2NNKZF6DVVLBSAO5J4

not attested not anchored not stored refs pending

Small world of Ulam networks for chaotic Hamiltonian dynamics

Dima L. Shepelyansky, Klaus M. Frahm

arxiv:1807.05204 v1 · 2018-07-13 · nlin.CD · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VEZCRRMG2NNKZF6DVVLBSAO5J4}

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	2026-05-18T00:06:01.319546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a93228c586d35aac97c3ad561901dd4f216e3d2b4f9ed33fa1b5d9390512c9d6

Aliases

arxiv: 1807.05204 · arxiv_version: 1807.05204v1 · doi: 10.48550/arxiv.1807.05204 · pith_short_12: VEZCRRMG2NNK · pith_short_16: VEZCRRMG2NNKZF6D · pith_short_8: VEZCRRMG

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/VEZCRRMG2NNKZF6DVVLBSAO5J4 \
  | 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: a93228c586d35aac97c3ad561901dd4f216e3d2b4f9ed33fa1b5d9390512c9d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05517768197a695281226ad8b8142ace81bcc2bcc126a91f1efb7c98294a42b9",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2018-07-13T17:39:26Z",
    "title_canon_sha256": "8b4cc17cb743820ea75bc97fd7c2733ba1f56f5e2631e7d6de8c3a67836d2469"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05204",
    "kind": "arxiv",
    "version": 1
  }
}