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Pith Number

pith:ZJD4SAJO

pith:2014:ZJD4SAJODABO4KVAC6XQ2K4JUA
not attested not anchored not stored refs pending

On a problem in eigenvalue perturbation theory

Fritz Gesztesy, Roger Nichols, Sergey N. Naboko

arxiv:1406.2371 v2 · 2014-06-09 · math.FA · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZJD4SAJODABO4KVAC6XQ2K4JUA}

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 2026-05-18T02:21:51.816479Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ca47c9012e1802ee2aa017af0d2b89a03322423a4b492fcf2ac6053c8615ab35

Aliases

arxiv: 1406.2371 · arxiv_version: 1406.2371v2 · doi: 10.48550/arxiv.1406.2371 · pith_short_12: ZJD4SAJODABO · pith_short_16: ZJD4SAJODABO4KVA · pith_short_8: ZJD4SAJO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZJD4SAJODABO4KVAC6XQ2K4JUA \
  | 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: ca47c9012e1802ee2aa017af0d2b89a03322423a4b492fcf2ac6053c8615ab35
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3008a50725049aa715caa2be24172f570ea86e719f241a7fc87f0f7be14776b7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-06-09T21:45:50Z",
    "title_canon_sha256": "ee72857fc80e30fbfb5268612b9c25c834b8f37d9c68dd64bd28094cd1dd1f38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2371",
    "kind": "arxiv",
    "version": 2
  }
}