Pith Number

pith:LZJXJRIC

pith:2012:LZJXJRICKGVORWTM3ZEQYENCKF

not attested not anchored not stored refs pending

A New Determinant Inequality of Positive Semi-Definite Matrices

Hongbin Li, Jun Fang

arxiv:1207.3877 v1 · 2012-07-17 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZJXJRICKGVORWTM3ZEQYENCKF}

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	2026-05-18T03:50:49.721514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e5374c50251aae8da6cde490c11a25148aa8ca2e0acd39b72ddafe697967246

Aliases

arxiv: 1207.3877 · arxiv_version: 1207.3877v1 · doi: 10.48550/arxiv.1207.3877 · pith_short_12: LZJXJRICKGVO · pith_short_16: LZJXJRICKGVORWTM · pith_short_8: LZJXJRIC

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/LZJXJRICKGVORWTM3ZEQYENCKF \
  | 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: 5e5374c50251aae8da6cde490c11a25148aa8ca2e0acd39b72ddafe697967246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0135de429cb73f92f6c9c7dcb370e678fd39d54c6100194e84d3b953b764a1f1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-07-17T04:56:17Z",
    "title_canon_sha256": "02c8e3183a4dd45c8947488858970cf88f440832e2a45581461ee6c2a7a18675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3877",
    "kind": "arxiv",
    "version": 1
  }
}