Pith Number

pith:QY4EZ2DV

pith:2009:QY4EZ2DVBB5RHNY4UEOCXAXOBH

not attested not anchored not stored refs pending

Bessel type inequalities in Hilbert C*-modules

M. Khosravi, M.S. Moslehian, S.S. Dragomir

arxiv:0905.4067 v1 · 2009-05-25 · math.FA · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QY4EZ2DVBB5RHNY4UEOCXAXOBH}

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	2026-05-18T03:59:38.689565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86384ce875087b13b71ca11c2b82ee09f97a2af26d21a518c3c973de29efbb9a

Aliases

arxiv: 0905.4067 · arxiv_version: 0905.4067v1 · doi: 10.48550/arxiv.0905.4067 · pith_short_12: QY4EZ2DVBB5R · pith_short_16: QY4EZ2DVBB5RHNY4 · pith_short_8: QY4EZ2DV

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/QY4EZ2DVBB5RHNY4UEOCXAXOBH \
  | 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: 86384ce875087b13b71ca11c2b82ee09f97a2af26d21a518c3c973de29efbb9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4446d76632f6d27cef4ace6889507efc1a09a7474fa44e977e27b22ea9bf4019",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2009-05-25T19:37:10Z",
    "title_canon_sha256": "0fb509b4c78e308336370c5d7d25633dbce09946c584928d284a494c503ff295"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4067",
    "kind": "arxiv",
    "version": 1
  }
}