Pith Number

pith:2B4ATZ7M

pith:2016:2B4ATZ7M3EF74MC6XX67GR5S3W

not attested not anchored not stored refs pending

Inequalities for Quadratic Operator Perspective of Convex Functions and Bounded Linear Operators in Hilbert Spaces

Silvestru Sever Dragomir

arxiv:1609.08607 v1 · 2016-09-27 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2B4ATZ7M3EF74MC6XX67GR5S3W}

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	2026-05-18T01:03:42.355260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d07809e7ecd90bfe305ebdfdf347b2dd933ee9f107fb94c070f9d51d612dba2b

Aliases

arxiv: 1609.08607 · arxiv_version: 1609.08607v1 · doi: 10.48550/arxiv.1609.08607 · pith_short_12: 2B4ATZ7M3EF7 · pith_short_16: 2B4ATZ7M3EF74MC6 · pith_short_8: 2B4ATZ7M

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/2B4ATZ7M3EF74MC6XX67GR5S3W \
  | 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: d07809e7ecd90bfe305ebdfdf347b2dd933ee9f107fb94c070f9d51d612dba2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e78064b139542f6205b98b4afe2b83ad0cd32cdd629f762cfbfe15b38f34720d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-09-27T02:15:52Z",
    "title_canon_sha256": "8023821ea83501b567daa984592620626de775e5c547116b9b3cb0cd7988b4f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08607",
    "kind": "arxiv",
    "version": 1
  }
}