Pith Number

pith:LXSDCYEY

pith:2014:LXSDCYEYLDGZNVZNYGBNMWSRQB

not attested not anchored not stored refs pending

Positive Definiteness and Semi-Definiteness of Even Order Symmetric Cauchy Tensors

Haibin Chen, Liqun Qi

arxiv:1405.6363 v2 · 2014-05-25 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXSDCYEYLDGZNVZNYGBNMWSRQB}

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	2026-05-18T02:50:59.360388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5de431609858cd96d72dc182d65a51805aaee8a40827803da954bbced02e32a3

Aliases

arxiv: 1405.6363 · arxiv_version: 1405.6363v2 · doi: 10.48550/arxiv.1405.6363 · pith_short_12: LXSDCYEYLDGZ · pith_short_16: LXSDCYEYLDGZNVZN · pith_short_8: LXSDCYEY

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/LXSDCYEYLDGZNVZNYGBNMWSRQB \
  | 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: 5de431609858cd96d72dc182d65a51805aaee8a40827803da954bbced02e32a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2a0e4b6d64ee6a594342bf230196e1367faed678ae703c89c9d1eb2a46d8519",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-05-25T07:38:10Z",
    "title_canon_sha256": "4ee617e20d4cfc421fd7377847bc5261147e0d96b8103ec15c8b307f873603b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6363",
    "kind": "arxiv",
    "version": 2
  }
}