Pith Number

pith:HLXAIWTQ

pith:2015:HLXAIWTQ7R24OQV5QEL5DBGOTF

not attested not anchored not stored refs pending

Weyl function of a Hermitian operator and its connection with characteristic function

Mark Malamud, Vladimir Derkach

arxiv:1503.08956 v2 · 2015-03-31 · 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{HLXAIWTQ7R24OQV5QEL5DBGOTF}

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	2026-05-18T01:59:57.572801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aee045a70fc75c742bd8117d184ce9957d8476d6f5d5a2d00a55be5748779c9

Aliases

arxiv: 1503.08956 · arxiv_version: 1503.08956v2 · doi: 10.48550/arxiv.1503.08956 · pith_short_12: HLXAIWTQ7R24 · pith_short_16: HLXAIWTQ7R24OQV5 · pith_short_8: HLXAIWTQ

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/HLXAIWTQ7R24OQV5QEL5DBGOTF \
  | 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: 3aee045a70fc75c742bd8117d184ce9957d8476d6f5d5a2d00a55be5748779c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df8cb944ef4c2d6e19c3f9a2dab0754ab8b133858decf76dbc2aa1fb014008c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2015-03-31T08:48:55Z",
    "title_canon_sha256": "f9a4d506b5f3a14956302eae732474f4419babc0f8aa1dd9bc312413052252df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08956",
    "kind": "arxiv",
    "version": 2
  }
}