Pith Number

pith:YH52QBX7

pith:2012:YH52QBX7NQFOOSUPMPGZGPYXJH

not attested not anchored not stored refs pending

Some remarks on sign changing solutions of a quasilinear elliptic equation in two variables

Niko Marola, Seppo Granlund

arxiv:1206.1474 v2 · 2012-06-07 · 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{YH52QBX7NQFOOSUPMPGZGPYXJH}

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	2026-05-18T03:45:20.920926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1fba806ff6c0ae74a8f63cd933f1749c4c4c1fa272dd37ee2a53a4ec0fc2e77

Aliases

arxiv: 1206.1474 · arxiv_version: 1206.1474v2 · doi: 10.48550/arxiv.1206.1474 · pith_short_12: YH52QBX7NQFO · pith_short_16: YH52QBX7NQFOOSUP · pith_short_8: YH52QBX7

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/YH52QBX7NQFOOSUPMPGZGPYXJH \
  | 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: c1fba806ff6c0ae74a8f63cd933f1749c4c4c1fa272dd37ee2a53a4ec0fc2e77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b7b07cde46a3ac4e1065435823f457c3b4dc93666912f149c03f0ed3350c1e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-06-07T12:29:41Z",
    "title_canon_sha256": "7c9fb5957747e610263e02b8e667337436dc24da2a68bf5bb3424e25bdc3dcc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1474",
    "kind": "arxiv",
    "version": 2
  }
}