Pith Number

pith:SXWRST4V

pith:2026:SXWRST4VO5A32QUAXM3YBJAPPN

not attested not anchored not stored refs pending

On the de Th\'elin eigenvalue problem and Landesman-Lazer conditions for quasilinear systems

David Arcoya, Natalino Borgia, Silvia Cingolani

arxiv:2601.16846 v2 · 2026-01-23 · 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{SXWRST4VO5A32QUAXM3YBJAPPN}

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	2026-05-20T00:04:23.021655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95ed194f957741bd4280bb3780a40f7b6f775de34c9cc15b101e3b9b23674e70

Aliases

arxiv: 2601.16846 · arxiv_version: 2601.16846v2 · doi: 10.48550/arxiv.2601.16846 · pith_short_12: SXWRST4VO5A3 · pith_short_16: SXWRST4VO5A32QUA · pith_short_8: SXWRST4V

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/SXWRST4VO5A32QUAXM3YBJAPPN \
  | 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: 95ed194f957741bd4280bb3780a40f7b6f775de34c9cc15b101e3b9b23674e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e5699075cb5a8a4b63203d22321cbbb08ec31b75cf0978a7e9e1ea961762986",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-01-23T15:52:51Z",
    "title_canon_sha256": "34275b508eb611ed72c61d876d5eb93f5e51b474ec0609a69c64d210908f04f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.16846",
    "kind": "arxiv",
    "version": 2
  }
}