Pith Number

pith:QBMKWDXW

pith:2012:QBMKWDXWIF3RMKMW2EGO3KGGER

not attested not anchored not stored refs pending

On Stability of Square Root Domains for Non-Self-Adjoint Operators Under Additive Perturbations

Fritz Gesztesy, Roger Nichols, Steve Hofmann

arxiv:1212.5661 v2 · 2012-12-22 · math.AP · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBMKWDXWIF3RMKMW2EGO3KGGER}

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	2026-05-18T02:34:52.820162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8058ab0ef64177162996d10ceda8c6245d979712bad51197ed48a6f11161b0a2

Aliases

arxiv: 1212.5661 · arxiv_version: 1212.5661v2 · doi: 10.48550/arxiv.1212.5661 · pith_short_12: QBMKWDXWIF3R · pith_short_16: QBMKWDXWIF3RMKMW · pith_short_8: QBMKWDXW

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/QBMKWDXWIF3RMKMW2EGO3KGGER \
  | 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: 8058ab0ef64177162996d10ceda8c6245d979712bad51197ed48a6f11161b0a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11d77241aeffa62bcfff5bb9c411a6caf835683c99d829e4a3c0efc1ff90bd91",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-12-22T06:59:38Z",
    "title_canon_sha256": "ec5662b79d2a0a540f27319d85665460fc744cc39fc8f2799d665a64cebc5c20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5661",
    "kind": "arxiv",
    "version": 2
  }
}