Pith Number

pith:5FIQC3QS

pith:2017:5FIQC3QS23SRHOMDNYFGLGWEEE

not attested not anchored not stored refs pending

Blended Cured Quasi-Newton for Geometric Optimization

Danny M. Kaufman, Robert Bridson, Yufeng Zhu

arxiv:1705.00039 v2 · 2017-04-28 · 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{5FIQC3QS23SRHOMDNYFGLGWEEE}

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	2026-05-18T00:24:37.731074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e951016e12d6e513b9836e0a659ac42139f9a86bd3264a926730fca900f59684

Aliases

arxiv: 1705.00039 · arxiv_version: 1705.00039v2 · doi: 10.48550/arxiv.1705.00039 · pith_short_12: 5FIQC3QS23SR · pith_short_16: 5FIQC3QS23SRHOMD · pith_short_8: 5FIQC3QS

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/5FIQC3QS23SRHOMDNYFGLGWEEE \
  | 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: e951016e12d6e513b9836e0a659ac42139f9a86bd3264a926730fca900f59684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8f88bd972c121d7e54848609dd626985928f13d9dd31d33e0602691cbbcba2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-04-28T19:06:56Z",
    "title_canon_sha256": "5fb1fa6770cb988ba68588fbd5616e05edd6a9ed4026e8e7237ec053aa5b85a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00039",
    "kind": "arxiv",
    "version": 2
  }
}