Pith Number

pith:5DJE75JB

pith:2014:5DJE75JB2CLQBVWJB7LKQSK2CL

not attested not anchored not stored refs pending

A nonexistence result for sign-changing solutions of the Brezis-Nirenberg problem in low dimensions

Alessandro Iacopetti, Filomena Pacella

arxiv:1406.7681 v2 · 2014-06-30 · 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{5DJE75JB2CLQBVWJB7LKQSK2CL}

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	2026-05-18T02:27:32.368985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8d24ff521d09700d6c90fd6a8495a12c8a08c982691cd41f2d87109a94a7bf4

Aliases

arxiv: 1406.7681 · arxiv_version: 1406.7681v2 · doi: 10.48550/arxiv.1406.7681 · pith_short_12: 5DJE75JB2CLQ · pith_short_16: 5DJE75JB2CLQBVWJ · pith_short_8: 5DJE75JB

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/5DJE75JB2CLQBVWJB7LKQSK2CL \
  | 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: e8d24ff521d09700d6c90fd6a8495a12c8a08c982691cd41f2d87109a94a7bf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "861759f5956cf348f12afc4291503864be78715974fdb3ee4c67cbb28ce05a62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-06-30T11:40:51Z",
    "title_canon_sha256": "6086aeea07b4e9717bd7d1ae445be99a05213663ee9c930aa334fa878be59493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7681",
    "kind": "arxiv",
    "version": 2
  }
}