Pith Number

pith:Q3KGLBXF

pith:2013:Q3KGLBXFDSPKJWMPDFOUYDDTEX

not attested not anchored not stored refs pending

Multiple non-negative solutions of systems with coupled nonlinear BCs

Gennaro Infante, Paolamaria Pietramala

arxiv:1306.5556 v1 · 2013-06-24 · math.CA · 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{Q3KGLBXFDSPKJWMPDFOUYDDTEX}

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	2026-05-18T02:45:21.667562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86d46586e51c9ea4d98f195d4c0c7325eb8dfc559b7b33894013efe3041944df

Aliases

arxiv: 1306.5556 · arxiv_version: 1306.5556v1 · doi: 10.48550/arxiv.1306.5556 · pith_short_12: Q3KGLBXFDSPK · pith_short_16: Q3KGLBXFDSPKJWMP · pith_short_8: Q3KGLBXF

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/Q3KGLBXFDSPKJWMPDFOUYDDTEX \
  | 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: 86d46586e51c9ea4d98f195d4c0c7325eb8dfc559b7b33894013efe3041944df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "007e99d245ec7bf4908d16e51901cd0032b941df192afe572601b034286cf4e6",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-06-24T09:50:07Z",
    "title_canon_sha256": "93b97eb547de94dc52da2c7d0c2dc975aeaa768898108f9f87daab674f957d75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5556",
    "kind": "arxiv",
    "version": 1
  }
}