Pith Number

pith:OJJZIGLV

pith:2011:OJJZIGLV6L5WDZERHPNFYUP2QQ

not attested not anchored not stored refs pending

Rigorous KAM results around arbitrary periodic orbits for Hamiltonian Systems

Carles Sim\'o, Tomasz Kapela

arxiv:1105.3235 v1 · 2011-05-16 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJJZIGLV6L5WDZERHPNFYUP2QQ}

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	2026-05-18T04:22:00.355478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7253941975f2fb61e4913bda5c51fa8426c681265bfe39e39aad7feb50e88fef

Aliases

arxiv: 1105.3235 · arxiv_version: 1105.3235v1 · doi: 10.48550/arxiv.1105.3235 · pith_short_12: OJJZIGLV6L5W · pith_short_16: OJJZIGLV6L5WDZER · pith_short_8: OJJZIGLV

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/OJJZIGLV6L5WDZERHPNFYUP2QQ \
  | 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: 7253941975f2fb61e4913bda5c51fa8426c681265bfe39e39aad7feb50e88fef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f5ba235c9389bead054b4b6b9326355dfb57a3da1a571ca06a04208b18a3efd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-05-16T22:09:18Z",
    "title_canon_sha256": "69002fb8c92a2e77048116cd4800a34478cf115cdf722f75ef8757466321a9da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3235",
    "kind": "arxiv",
    "version": 1
  }
}