pith. sign in
Pith Number

pith:D4GAGNSL

pith:2014:D4GAGNSLBSI4ROYARDYOMWKZ4S
not attested not anchored not stored refs pending

Operator convexity in Krein spaces

M. Dehghani, M. S. Moslehian

arxiv:1401.3238 v1 · 2014-01-14 · math.FA · math.OA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{D4GAGNSLBSI4ROYARDYOMWKZ4S}

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 2026-05-18T02:38:53.054833Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1f0c03364b0c91c8bb0088f0e65959e482296fb9833d23e14f617c92366cc1e8

Aliases

arxiv: 1401.3238 · arxiv_version: 1401.3238v1 · doi: 10.48550/arxiv.1401.3238 · pith_short_12: D4GAGNSLBSI4 · pith_short_16: D4GAGNSLBSI4ROYA · pith_short_8: D4GAGNSL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/D4GAGNSLBSI4ROYARDYOMWKZ4S \
  | 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: 1f0c03364b0c91c8bb0088f0e65959e482296fb9833d23e14f617c92366cc1e8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7236f6561253c2177240e70b9743adf0c13df52c69a9846a1405874a91e764ec",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-01-14T16:07:14Z",
    "title_canon_sha256": "32e20b2d9665c1bca0fbf2e98edbbfb8b05fc960891144d0591bae5f03735f80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3238",
    "kind": "arxiv",
    "version": 1
  }
}