Pith Number

pith:Z5SZQPJS

pith:2017:Z5SZQPJSI5DHFB47RUAYFAXZ6L

not attested not anchored not stored refs pending

Tolerances, robustness and parametrization of matrix properties related to optimization problems

Milan Hlad\'ik

arxiv:1709.07629 v1 · 2017-09-22 · 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{Z5SZQPJSI5DHFB47RUAYFAXZ6L}

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	2026-05-17T23:45:04.867302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf65983d32474672879f8d018282f9f2c8945b29b42e09b4159fb7f154794a5d

Aliases

arxiv: 1709.07629 · arxiv_version: 1709.07629v1 · doi: 10.48550/arxiv.1709.07629 · pith_short_12: Z5SZQPJSI5DH · pith_short_16: Z5SZQPJSI5DHFB47 · pith_short_8: Z5SZQPJS

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/Z5SZQPJSI5DHFB47RUAYFAXZ6L \
  | 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: cf65983d32474672879f8d018282f9f2c8945b29b42e09b4159fb7f154794a5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00621fecc39c6a0e712fc71ad07199f01acc10b90a05764b7c274080a12d62dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-09-22T08:20:49Z",
    "title_canon_sha256": "2a5a3384a8aa75df0afd7ca9c8e3e4ce48a2d3cd9d70b25293988e41b29b76b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07629",
    "kind": "arxiv",
    "version": 1
  }
}