Pith Number

pith:FNFBKELX

pith:2014:FNFBKELXRP6WJX2L7VVDPUCV5J

not attested not anchored not stored refs pending

Mixed dynamics of 2-dimensional reversible maps with a symmetric couple of quadratic homoclinic tangencies

A. Delshams, J.T L\'azaro, M.S. Gonchenko, S.V. Gonchenko

arxiv:1412.1128 v2 · 2014-12-02 · 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{FNFBKELXRP6WJX2L7VVDPUCV5J}

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	2026-05-18T00:29:49.408193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b4a1511778bfd64df4bfd6a37d055ea4262a6dae9193b5388916dc929c860e3

Aliases

arxiv: 1412.1128 · arxiv_version: 1412.1128v2 · doi: 10.48550/arxiv.1412.1128 · pith_short_12: FNFBKELXRP6W · pith_short_16: FNFBKELXRP6WJX2L · pith_short_8: FNFBKELX

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/FNFBKELXRP6WJX2L7VVDPUCV5J \
  | 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: 2b4a1511778bfd64df4bfd6a37d055ea4262a6dae9193b5388916dc929c860e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c64a4f9b2a6c17195cc2dab63d9d243bcc3662bf06550f04c05425a440b723e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-12-02T22:58:10Z",
    "title_canon_sha256": "3f75b08a14a6c16dc4a6a7a204fd9fe94b43d52c9dc54d30710b483f39dc0097"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1128",
    "kind": "arxiv",
    "version": 2
  }
}