Pith Number

pith:QFMBQNHZ

pith:2019:QFMBQNHZJQLYL4ZYZM256NZ6HT

not attested not anchored not stored refs pending

A Non-Existence Result for a Generalized Radial Brezis-Nirenberg Problem

Rafael D. Benguria, Soledad Benguria

arxiv:1901.09958 v1 · 2019-01-28 · 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{QFMBQNHZJQLYL4ZYZM256NZ6HT}

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	2026-05-17T23:55:16.468722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81581834f94c1785f338cb35df373e3cccceb0696899d2b34d525253c7eec098

Aliases

arxiv: 1901.09958 · arxiv_version: 1901.09958v1 · doi: 10.48550/arxiv.1901.09958 · pith_short_12: QFMBQNHZJQLY · pith_short_16: QFMBQNHZJQLYL4ZY · pith_short_8: QFMBQNHZ

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/QFMBQNHZJQLYL4ZYZM256NZ6HT \
  | 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: 81581834f94c1785f338cb35df373e3cccceb0696899d2b34d525253c7eec098

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fc94a4ad53caafee20a2741164410844a80b9ea15c485dc47588701d2f548b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-01-28T19:35:25Z",
    "title_canon_sha256": "73a55abd45842980acf98484e506edc9c526964dd98354f1eaf23e162f0d7059"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09958",
    "kind": "arxiv",
    "version": 1
  }
}