Pith Number

pith:IYNK774K

pith:2008:IYNK774KVZPSKW5XFPSA77A6QF

not attested not anchored not stored refs pending

Elementary symmetric functions of two solvents of a quadratic matrix equation

A. Messina, A. Napoli, M. A. Jivulescu

arxiv:0804.2978 v1 · 2008-04-18 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYNK774KVZPSKW5XFPSA77A6QF}

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	2026-05-18T02:15:53.495952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

461aafff8aae5f255bb72be40ffc1e817db5d06ff0ba2ebd7683ff3a72e881c3

Aliases

arxiv: 0804.2978 · arxiv_version: 0804.2978v1 · doi: 10.48550/arxiv.0804.2978 · pith_short_12: IYNK774KVZPS · pith_short_16: IYNK774KVZPSKW5X · pith_short_8: IYNK774K

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/IYNK774KVZPSKW5XFPSA77A6QF \
  | 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: 461aafff8aae5f255bb72be40ffc1e817db5d06ff0ba2ebd7683ff3a72e881c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "343035a484c1ee3ececc9b43c42ceaf0381d158135794365ff9f5031c3b5ba73",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2008-04-18T09:05:12Z",
    "title_canon_sha256": "3f5fc00888d16c8ce82158eadbd3f888366a6a758bd9aea0cf171af1aaa306dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.2978",
    "kind": "arxiv",
    "version": 1
  }
}