Pith Number

pith:4W44Q2LW

pith:2012:4W44Q2LWAF57SVV3SNXGLNXN7H

not attested not anchored not stored refs pending

Periodic Orbits and Escapes in Dynamical Systems

George Contopoulos, Georgios Lukes-Gerakopoulos, Mirella Harsoula

arxiv:1203.1010 v1 · 2012-03-05 · nlin.CD · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4W44Q2LWAF57SVV3SNXGLNXN7H}

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	2026-05-18T03:59:04.284612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5b9c86976017bf956bb936e65b6edf9ea1970a7cb1fca86a531d3592306b7d3

Aliases

arxiv: 1203.1010 · arxiv_version: 1203.1010v1 · doi: 10.48550/arxiv.1203.1010 · pith_short_12: 4W44Q2LWAF57 · pith_short_16: 4W44Q2LWAF57SVV3 · pith_short_8: 4W44Q2LW

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/4W44Q2LWAF57SVV3SNXGLNXN7H \
  | 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: e5b9c86976017bf956bb936e65b6edf9ea1970a7cb1fca86a531d3592306b7d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39e16eaeec0adb4028fb0d085864a7e3d9ab5cc7ae88646e388b87b848a8e9ec",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2012-03-05T19:11:52Z",
    "title_canon_sha256": "53e0b883a1776baba4604751f91ea108068a367e3943bc2556191aa73008f3a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1010",
    "kind": "arxiv",
    "version": 1
  }
}