Pith Number

pith:GQSZ4E4U

pith:2012:GQSZ4E4UIEWFALVGQFCJQGXRFX

not attested not anchored not stored refs pending

Inequalities for Functions of Selfadjoint Operators on Hilbert Spaces

Silvestru Sever Dragomir

arxiv:1203.1667 v1 · 2012-03-08 · 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{GQSZ4E4UIEWFALVGQFCJQGXRFX}

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	2026-05-18T04:00:37.310659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34259e1394412c502ea68144981af12de4a32eba6e770887d2672fabaf99b2a9

Aliases

arxiv: 1203.1667 · arxiv_version: 1203.1667v1 · doi: 10.48550/arxiv.1203.1667 · pith_short_12: GQSZ4E4UIEWF · pith_short_16: GQSZ4E4UIEWFALVG · pith_short_8: GQSZ4E4U

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/GQSZ4E4UIEWFALVGQFCJQGXRFX \
  | 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: 34259e1394412c502ea68144981af12de4a32eba6e770887d2672fabaf99b2a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb559651089044b98ced340e79085ddd06fa398ea18474fd89b33c09b3f5e4cb",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2012-03-08T00:17:46Z",
    "title_canon_sha256": "f1f85ba303413d892711705b564c1a45759b6deab3f6b87d17e650c051effdfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1667",
    "kind": "arxiv",
    "version": 1
  }
}