Pith Number

pith:K64F4GF7

pith:2014:K64F4GF7IP3VU6NHA34HU2YBRF

not attested not anchored not stored refs pending

An Inequality Constrained SL/QP Method for Minimizing the Spectral Abscissa

Moritz Diehl, Vyacheslav Kungurtsev, Wim Michiels

arxiv:1411.2362 v1 · 2014-11-10 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K64F4GF7IP3VU6NHA34HU2YBRF}

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	2026-05-18T02:38:07.705922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57b85e18bf43f75a79a706f87a6b01895fe405ed4be1d8d268b19d416a8395d6

Aliases

arxiv: 1411.2362 · arxiv_version: 1411.2362v1 · doi: 10.48550/arxiv.1411.2362 · pith_short_12: K64F4GF7IP3V · pith_short_16: K64F4GF7IP3VU6NH · pith_short_8: K64F4GF7

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/K64F4GF7IP3VU6NHA34HU2YBRF \
  | 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: 57b85e18bf43f75a79a706f87a6b01895fe405ed4be1d8d268b19d416a8395d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aedf067eb4d4f7c7f07d8ecc12b2716cd9545264df1329e350220c0609730efb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-11-10T09:38:17Z",
    "title_canon_sha256": "90eaf026ca1bf13c3e3b37d303ad76d72a7c7acf9d16d1515f4e39b0f51bbc2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2362",
    "kind": "arxiv",
    "version": 1
  }
}