Pith Number

pith:HXLP2VDS

pith:2019:HXLP2VDS3CR3OUTCP5QVTGB5NA

not attested not anchored not stored refs pending

Factorization of KdV Schr\"odinger operators using differential subresultants

Juan J. Morales-Ruiz, Maria-Angeles Zurro, Sonia L. Rueda

arxiv:1902.05443 v1 · 2019-02-13 · nlin.SI · math-ph · math.AG · 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{HXLP2VDS3CR3OUTCP5QVTGB5NA}

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	2026-05-17T23:54:00.755767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dd6fd5472d8a3b752627f6159983d683496dce5fb9e2c9f10c175e448995167

Aliases

arxiv: 1902.05443 · arxiv_version: 1902.05443v1 · doi: 10.48550/arxiv.1902.05443 · pith_short_12: HXLP2VDS3CR3 · pith_short_16: HXLP2VDS3CR3OUTC · pith_short_8: HXLP2VDS

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/HXLP2VDS3CR3OUTCP5QVTGB5NA \
  | 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: 3dd6fd5472d8a3b752627f6159983d683496dce5fb9e2c9f10c175e448995167

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "052ab8ce36cefcdc72a1cdccac61fd95662a3828b8286c59aeedf35689067f32",
    "cross_cats_sorted": [
      "math-ph",
      "math.AG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2019-02-13T14:58:53Z",
    "title_canon_sha256": "02bf03a0b1ed9ee0d0065217a2168830e8bffc47cf2f97791812269242e9e314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05443",
    "kind": "arxiv",
    "version": 1
  }
}