pith. sign in
Pith Number

pith:DXQEJEPN

pith:2018:DXQEJEPNJ3TN232FU46KBSUYFF
not attested not anchored not stored refs pending

Mixed type Hermite-Pad\'e approximation inspired by the Degasperis-Procesi equation

G. L\'opez Lagomasino, J. Szmigielski, S. Medina Peralta

arxiv:1805.02195 v1 · 2018-05-06 · math.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DXQEJEPNJ3TN232FU46KBSUYFF}

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 2026-05-18T00:16:40.665456Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1de04491ed4ee6dd6f45a73ca0ca982969eb6889712c5d6d0ea84a9feb6b71ea

Aliases

arxiv: 1805.02195 · arxiv_version: 1805.02195v1 · doi: 10.48550/arxiv.1805.02195 · pith_short_12: DXQEJEPNJ3TN · pith_short_16: DXQEJEPNJ3TN232F · pith_short_8: DXQEJEPN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DXQEJEPNJ3TN232FU46KBSUYFF \
  | 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: 1de04491ed4ee6dd6f45a73ca0ca982969eb6889712c5d6d0ea84a9feb6b71ea
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c81732c28c510eb32e0aa81b2e18b749f7d9a329a78e9c1dd2f23f898d92f2a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-05-06T12:03:02Z",
    "title_canon_sha256": "82497d17c4be75ac5854c8b3effadc94a5908a1a81ed4e456229092807bf66a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02195",
    "kind": "arxiv",
    "version": 1
  }
}