Pith Number

pith:EGUWO4U2

pith:2017:EGUWO4U2BQ4HTXQFI2W3HFFIBV

not attested not anchored not stored refs pending

On the structure of the nodal set and asymptotics of least energy sign-changing radial solutions of the fractional Brezis-Nirenberg problem

Alessandro Iacopetti, Gabriele Cora

arxiv:1708.06149 v2 · 2017-08-21 · 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{EGUWO4U2BQ4HTXQFI2W3HFFIBV}

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	2026-05-18T00:11:32.465608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21a967729a0c3879de0546adb394a80d5a6482d5ccd7cd09c141e36aea229ba9

Aliases

arxiv: 1708.06149 · arxiv_version: 1708.06149v2 · doi: 10.48550/arxiv.1708.06149 · pith_short_12: EGUWO4U2BQ4H · pith_short_16: EGUWO4U2BQ4HTXQF · pith_short_8: EGUWO4U2

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/EGUWO4U2BQ4HTXQFI2W3HFFIBV \
  | 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: 21a967729a0c3879de0546adb394a80d5a6482d5ccd7cd09c141e36aea229ba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d87d21ae942f9bb838d37b79ecfbf0911b84857c6ba54a6b8ec16e8475a695dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-08-21T11:06:24Z",
    "title_canon_sha256": "cc1e5ac84d6aaff4c4e8299ee98b7713a922a827bdd936b8b8b9dd1ad0727cc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06149",
    "kind": "arxiv",
    "version": 2
  }
}