pith. sign in
Pith Number

pith:ZTK7SKXB

pith:2016:ZTK7SKXB26BWIS6XZLJAPVL2GQ
not attested not anchored not stored refs pending

Definition, existence, stability and uniqueness of the solution to a semilinear elliptic problem with a strong singularity at $ u = 0 $

Daniela Giachetti, Fran\c{c}ois Murat, Pedro J. Mart\'inez-Aparicio

arxiv:1606.07267 v2 · 2016-06-23 · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZTK7SKXB26BWIS6XZLJAPVL2GQ}

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 2026-05-18T00:46:20.941889Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ccd5f92ae1d783644bd7cad207d57a343c745858c32646b9548305af3404aeec

Aliases

arxiv: 1606.07267 · arxiv_version: 1606.07267v2 · doi: 10.48550/arxiv.1606.07267 · pith_short_12: ZTK7SKXB26BW · pith_short_16: ZTK7SKXB26BWIS6X · pith_short_8: ZTK7SKXB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZTK7SKXB26BWIS6XZLJAPVL2GQ \
  | 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: ccd5f92ae1d783644bd7cad207d57a343c745858c32646b9548305af3404aeec
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "002fbcde753bd45d5e53c1963bc0f921383dab1edea857d8dc0b82000a00be82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-06-23T10:49:28Z",
    "title_canon_sha256": "1e3bac136e61e6029958470f71a0ba081443c5368e02bd601c62bab14b87e421"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07267",
    "kind": "arxiv",
    "version": 2
  }
}