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Pith Number

pith:II2WSAG5

pith:2011:II2WSAG5QYU7PMYCKHX2YF4PMI
not attested not anchored not stored refs pending

Nonlinear instability of solutions in parabolic and hyperbolic diffusion

Petronela Radu, Stephen Pankavich

arxiv:1110.6240 v3 · 2011-10-28 · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{II2WSAG5QYU7PMYCKHX2YF4PMI}

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 2026-05-18T03:03:32.878584Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

42356900dd8629f7b30251efac178f623760de363414a28c9c44dd1113d114f1

Aliases

arxiv: 1110.6240 · arxiv_version: 1110.6240v3 · doi: 10.48550/arxiv.1110.6240 · pith_short_12: II2WSAG5QYU7 · pith_short_16: II2WSAG5QYU7PMYC · pith_short_8: II2WSAG5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/II2WSAG5QYU7PMYCKHX2YF4PMI \
  | 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: 42356900dd8629f7b30251efac178f623760de363414a28c9c44dd1113d114f1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bd22a634a90f3542a6cea4fd60249a3200973d7a1160a8ed193bc8f585440459",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-10-28T03:47:44Z",
    "title_canon_sha256": "71341b1448acfbc747a9fed6ef6efa3a03275046afe000a4c389a8de0a2b2fd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6240",
    "kind": "arxiv",
    "version": 3
  }
}