Pith Number

pith:DBUI7UR5

pith:2013:DBUI7UR5PVXDKW46Y6WPX7YHQ6

not attested not anchored not stored refs pending

A nonexistence result for a nonlinear elliptic equation with singular and decaying potential

Marino Badiale, Michela Guida, Sergio Rolando

arxiv:1303.2146 v1 · 2013-03-08 · math.AP · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBUI7UR5PVXDKW46Y6WPX7YHQ6}

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	2026-05-18T01:36:48.538749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18688fd23d7d6e355b9ec7acfbff07878584d5c3ed3d2e34c1c2ace116c230d9

Aliases

arxiv: 1303.2146 · arxiv_version: 1303.2146v1 · doi: 10.48550/arxiv.1303.2146 · pith_short_12: DBUI7UR5PVXD · pith_short_16: DBUI7UR5PVXDKW46 · pith_short_8: DBUI7UR5

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/DBUI7UR5PVXDKW46Y6WPX7YHQ6 \
  | 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: 18688fd23d7d6e355b9ec7acfbff07878584d5c3ed3d2e34c1c2ace116c230d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ae9793f82396d3e1e7af9e2e3d5d72e5981f8ebf868c2c20d186e097a5713ad",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-03-08T23:37:06Z",
    "title_canon_sha256": "c561e03bce2ad792592778d8ef76c7f5487995466df1a142eae6d57496ff2706"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2146",
    "kind": "arxiv",
    "version": 1
  }
}