Pith Number

pith:6QLNGDLL

pith:2014:6QLNGDLLJWO75LGGO7YQ6LR2NI

not attested not anchored not stored refs pending

Failure of Nehari's Theorem for Multiplicative Hankel Forms in Schatten Classes

Karl-Mikael Perfekt, Ole Fredrik Brevig

arxiv:1409.3117 v2 · 2014-09-10 · 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{6QLNGDLLJWO75LGGO7YQ6LR2NI}

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	2026-05-18T00:10:14.348580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f416d30d6b4d9dfeacc677f10f2e3a6a30a5ce17e2d1d265e7afa18d550ed039

Aliases

arxiv: 1409.3117 · arxiv_version: 1409.3117v2 · doi: 10.48550/arxiv.1409.3117 · pith_short_12: 6QLNGDLLJWO7 · pith_short_16: 6QLNGDLLJWO75LGG · pith_short_8: 6QLNGDLL

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/6QLNGDLLJWO75LGGO7YQ6LR2NI \
  | 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: f416d30d6b4d9dfeacc677f10f2e3a6a30a5ce17e2d1d265e7afa18d550ed039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6c3d312ae3c71616f1b4fb0454a30ffd006b3bd5ae49f7856a1c504f317b15c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-09-10T15:42:25Z",
    "title_canon_sha256": "fb39757342dbd69323ab2479d54c50bd3d5346583d79f595de9ef5d3c82b33f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3117",
    "kind": "arxiv",
    "version": 2
  }
}