Pith Number

pith:FQC7E3SK

pith:2014:FQC7E3SK3TIPB4IY4B7XZPCN4U

not attested not anchored not stored refs pending

Existence, unique continuation and symmetry of least energy nodal solutions to sublinear Neumann problems

Enea Parini, Tobias Weth

arxiv:1401.7182 v2 · 2014-01-28 · 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{FQC7E3SK3TIPB4IY4B7XZPCN4U}

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	2026-05-18T02:28:05.431636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c05f26e4adcd0f0f118e07f7cbc4de52cc1bf52ed46869c945d5e44b7154a82

Aliases

arxiv: 1401.7182 · arxiv_version: 1401.7182v2 · doi: 10.48550/arxiv.1401.7182 · pith_short_12: FQC7E3SK3TIP · pith_short_16: FQC7E3SK3TIPB4IY · pith_short_8: FQC7E3SK

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/FQC7E3SK3TIPB4IY4B7XZPCN4U \
  | 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: 2c05f26e4adcd0f0f118e07f7cbc4de52cc1bf52ed46869c945d5e44b7154a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9411633340c9b36eb2d43e74d76b90d63b74d45287456416c93e0e00137134f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-01-28T13:56:40Z",
    "title_canon_sha256": "7f17076149f448574530e117fded8f2a24c2121e875a1224836890bfe9d3e2d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7182",
    "kind": "arxiv",
    "version": 2
  }
}