pith. sign in
Pith Number

pith:3MYVR53N

pith:2017:3MYVR53NM3I76K7BLEVAS5KKXS
not attested not anchored not stored refs pending

Diagonalization of indefinite saddle point forms

Konstantin A. Makarov, Kre\v{s}imir Veseli\'c, Luka Grubi\v{s}i\'c, Stephan Schmitz, Vadim Kostrykin

arxiv:1710.05105 v1 · 2017-10-14 · math-ph · math.FA · math.MP · math.SP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3MYVR53NM3I76K7BLEVAS5KKXS}

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 2026-05-18T00:32:54.355390Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

db3158f76d66d1ff2be1592a09754abc80e630aa94e96110d2e5ca320367df7d

Aliases

arxiv: 1710.05105 · arxiv_version: 1710.05105v1 · doi: 10.48550/arxiv.1710.05105 · pith_short_12: 3MYVR53NM3I7 · pith_short_16: 3MYVR53NM3I76K7B · pith_short_8: 3MYVR53N
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3MYVR53NM3I76K7BLEVAS5KKXS \
  | 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: db3158f76d66d1ff2be1592a09754abc80e630aa94e96110d2e5ca320367df7d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8d18b789ec25c4ecb69ce1c1ac75f9efd864d000b4870e4a423d025f56876646",
    "cross_cats_sorted": [
      "math.FA",
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-10-14T00:05:34Z",
    "title_canon_sha256": "c969de2da6a40a0895303c1870eab05aa831af00afe5b133a608e083fd60a6dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05105",
    "kind": "arxiv",
    "version": 1
  }
}