Pith Number

pith:SZGYFOHT

pith:2011:SZGYFOHTKDVP4KWQQJKHIRA2YY

not attested not anchored not stored refs pending

Convergence of the restricted Nelder-Mead algorithm in two dimensions

Bjorn Poonen, Jeffrey C. Lagarias, Margaret H. Wright

arxiv:1104.0350 v1 · 2011-04-03 · math.OC · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZGYFOHTKDVP4KWQQJKHIRA2YY}

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	2026-05-18T00:47:34.168464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

964d82b8f350eafe2ad0825474441ac62d7407cd22a80e502b8d300a2c4fb0e2

Aliases

arxiv: 1104.0350 · arxiv_version: 1104.0350v1 · doi: 10.48550/arxiv.1104.0350 · pith_short_12: SZGYFOHTKDVP · pith_short_16: SZGYFOHTKDVP4KWQ · pith_short_8: SZGYFOHT

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/SZGYFOHTKDVP4KWQQJKHIRA2YY \
  | 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: 964d82b8f350eafe2ad0825474441ac62d7407cd22a80e502b8d300a2c4fb0e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "398d8e1de2f1c19d158a5c99b56f1f49d4e7963ed48b26ee37d63adb4b33a90d",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-04-03T04:01:42Z",
    "title_canon_sha256": "e081b9b6965d7c796a1d2190b898f85306f932cd9b0a95defc082f1f467628ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0350",
    "kind": "arxiv",
    "version": 1
  }
}