Pith Number

pith:KD6ZVEAS

pith:2017:KD6ZVEASLGCOK6BNDHNRCTDDSV

not attested not anchored not stored refs pending

The quasi-optimality criterion in the linear functional strategy

Andrey Pilipenko, Sergiy Pereverzyev Jr., Stefan Kindermann

arxiv:1709.09444 v1 · 2017-09-27 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KD6ZVEASLGCOK6BNDHNRCTDDSV}

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	2026-05-18T00:15:20.860699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50fd9a90125984e5782d19db114c6395790bc2a31fe788d84276539fe1652f9d

Aliases

arxiv: 1709.09444 · arxiv_version: 1709.09444v1 · doi: 10.48550/arxiv.1709.09444 · pith_short_12: KD6ZVEASLGCO · pith_short_16: KD6ZVEASLGCOK6BN · pith_short_8: KD6ZVEAS

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/KD6ZVEASLGCOK6BNDHNRCTDDSV \
  | 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: 50fd9a90125984e5782d19db114c6395790bc2a31fe788d84276539fe1652f9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d555be43b5b4957101fdfcfe6bc7c347f99737c0b3db7bedaba14121b77dc5d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-27T10:54:42Z",
    "title_canon_sha256": "803b61c3c291f46b8f1b4aa3a5f01e9512351ef80ebe390aa27d0d69462f130c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09444",
    "kind": "arxiv",
    "version": 1
  }
}