Pith Number

pith:EJJ6TQGS

pith:2013:EJJ6TQGSWANY7A3G5V2PJVNGIK

not attested not anchored not stored refs pending

Homoclinic orbits of first-order superquadratic Hamiltonian systems

Cyril J. Batkam

arxiv:1304.5647 v1 · 2013-04-20 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJJ6TQGSWANY7A3G5V2PJVNGIK}

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	2026-05-18T03:27:24.519151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2253e9c0d2b01b8f8366ed74f4d5a6428f79f6834d4570bf4b2f25b77503c005

Aliases

arxiv: 1304.5647 · arxiv_version: 1304.5647v1 · doi: 10.48550/arxiv.1304.5647 · pith_short_12: EJJ6TQGSWANY · pith_short_16: EJJ6TQGSWANY7A3G · pith_short_8: EJJ6TQGS

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/EJJ6TQGSWANY7A3G5V2PJVNGIK \
  | 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: 2253e9c0d2b01b8f8366ed74f4d5a6428f79f6834d4570bf4b2f25b77503c005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47e937c7b7f9eac910bf943447703917837ad4d66d1d14c79866ca612db8dea0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-20T16:34:21Z",
    "title_canon_sha256": "de648b13bda488599780e6611253046fb1117097ad334711ac93da54d7bc9c83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5647",
    "kind": "arxiv",
    "version": 1
  }
}