Pith Number

pith:27LTN7FR

pith:2016:27LTN7FRDXXIJZUAAGADDPBCYT

not attested not anchored not stored refs pending

KPII: Cauchy-Jost function, Darboux transformations and totally nonnegative matrices

A.K. Pogrebkov (Steklov Mathematical Institute, F. Pempinelli (EINSTEIN Consortium, Italy), Lecce, M. Boiti (EINSTEIN Consortium, Moscow, National Research University Higher School of Economics, Russian Federation)

arxiv:1611.04198 v1 · 2016-11-13 · nlin.SI · math-ph · math.AP · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27LTN7FRDXXIJZUAAGADDPBCYT}

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	2026-05-18T00:39:01.273143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7d736fcb11dee84e680018031bc22c4f90aefdd7aef75a4f68cdef7d5755ddf

Aliases

arxiv: 1611.04198 · arxiv_version: 1611.04198v1 · doi: 10.48550/arxiv.1611.04198 · pith_short_12: 27LTN7FRDXXI · pith_short_16: 27LTN7FRDXXIJZUA · pith_short_8: 27LTN7FR

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/27LTN7FRDXXIJZUAAGADDPBCYT \
  | 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: d7d736fcb11dee84e680018031bc22c4f90aefdd7aef75a4f68cdef7d5755ddf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20551a94c6f304a728bf13d4a15b67c563ac82187db126a13c2e8659d8f89b37",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2016-11-13T22:30:28Z",
    "title_canon_sha256": "b8760ee7dd81a65ce99f98a52ab5d1e64e8d01ece0488e52e0f24134fc209f16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04198",
    "kind": "arxiv",
    "version": 1
  }
}