Pith Number

pith:6ON7TOP6

pith:2012:6ON7TOP645STIQ3C7D2AKJ7L7U

not attested not anchored not stored refs pending

A Globally and Quadratically Convergent Algorithm with Efficient Implementation for Unconstrained Optimization

Yaguang Yang

arxiv:1212.5452 v1 · 2012-12-21 · 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{6ON7TOP645STIQ3C7D2AKJ7L7U}

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	2026-05-18T01:30:49.556643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f39bf9b9fee765344362f8f40527ebfd161c740faba3d431f1d590ff7180bbfe

Aliases

arxiv: 1212.5452 · arxiv_version: 1212.5452v1 · doi: 10.48550/arxiv.1212.5452 · pith_short_12: 6ON7TOP645ST · pith_short_16: 6ON7TOP645STIQ3C · pith_short_8: 6ON7TOP6

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/6ON7TOP645STIQ3C7D2AKJ7L7U \
  | 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: f39bf9b9fee765344362f8f40527ebfd161c740faba3d431f1d590ff7180bbfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be2d043da4e4515891f3caddc93c771e5c0b023e670fa387120da8b2e3c625d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-12-21T14:19:44Z",
    "title_canon_sha256": "0aa3c70ec4f38c288e79d422d1736bea81b764d9a985f82251516cf479f5b72d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5452",
    "kind": "arxiv",
    "version": 1
  }
}