Pith Number

pith:LUQ7JLQO

pith:2015:LUQ7JLQO5FIRYWJF2ZEOUXHKPP

not attested not anchored not stored refs pending

A simple criterion for the existence of nonreal eigenvalues for a class of 2D and 3D Pauli operators

Diomba Sambou

arxiv:1506.05756 v4 · 2015-06-18 · math.SP · math-ph · math.AP · 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{LUQ7JLQO5FIRYWJF2ZEOUXHKPP}

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	2026-05-18T00:55:39.491096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d21f4ae0ee9511c5925d648ea5cea7bce4928e49f58986d63dfcee8d97557ed

Aliases

arxiv: 1506.05756 · arxiv_version: 1506.05756v4 · doi: 10.48550/arxiv.1506.05756 · pith_short_12: LUQ7JLQO5FIR · pith_short_16: LUQ7JLQO5FIRYWJF · pith_short_8: LUQ7JLQO

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/LUQ7JLQO5FIRYWJF2ZEOUXHKPP \
  | 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: 5d21f4ae0ee9511c5925d648ea5cea7bce4928e49f58986d63dfcee8d97557ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "470f779f629e05ecee739975ac7a96e2d689a18409170c73ebc2cb08c17c78a4",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2015-06-18T17:43:34Z",
    "title_canon_sha256": "2d066d122b3a51fe2cc7fb8af5aaf4468e8a2e450a2d05d07487596622dae6a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05756",
    "kind": "arxiv",
    "version": 4
  }
}