Pith Number

pith:TJ73QPDW

pith:2013:TJ73QPDWKRUSEGJDO47VMZCECG

not attested not anchored not stored refs pending

On the Simplicity of the Eigenvalues of the Non-self-adjoint Mathieu-Hill Operators

O. A. Veliev

arxiv:1301.1011 v2 · 2013-01-06 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJ73QPDWKRUSEGJDO47VMZCECG}

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	2026-05-18T03:36:56.173142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a7fb83c765469221923773f566444118c688506082180ce713b700057d3c592

Aliases

arxiv: 1301.1011 · arxiv_version: 1301.1011v2 · doi: 10.48550/arxiv.1301.1011 · pith_short_12: TJ73QPDWKRUS · pith_short_16: TJ73QPDWKRUSEGJD · pith_short_8: TJ73QPDW

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/TJ73QPDWKRUSEGJDO47VMZCECG \
  | 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: 9a7fb83c765469221923773f566444118c688506082180ce713b700057d3c592

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "207204e438d381f7e69f4bd4f53be7da4555980bb1bddadd65d4b895deb20364",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2013-01-06T15:01:04Z",
    "title_canon_sha256": "dee2e0051d9752af49708291c724bb2a040b43a798b899beac01365b40170d87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1011",
    "kind": "arxiv",
    "version": 2
  }
}