Pith Number

pith:Z4Q4CCWU

pith:2016:Z4Q4CCWUBRHEYPES3DUWWGPNWA

not attested not anchored not stored refs pending

Local Adaption for Approximation and Minimization of Univariate Functions

Fred J.Hickernell, Sou-Cheng T. Choi, Xin Tong, Yuhan Ding

arxiv:1606.02766 v3 · 2016-06-08 · 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{Z4Q4CCWUBRHEYPES3DUWWGPNWA}

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	2026-05-18T00:36:43.804176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf21c10ad40c4e4c3c92d8e96b19edb01fb86d2848be89bb4720e7b41324704d

Aliases

arxiv: 1606.02766 · arxiv_version: 1606.02766v3 · doi: 10.48550/arxiv.1606.02766 · pith_short_12: Z4Q4CCWUBRHE · pith_short_16: Z4Q4CCWUBRHEYPES · pith_short_8: Z4Q4CCWU

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/Z4Q4CCWUBRHEYPES3DUWWGPNWA \
  | 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: cf21c10ad40c4e4c3c92d8e96b19edb01fb86d2848be89bb4720e7b41324704d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ccc7b9f9f02b5432cd50d9dfafd748e4f07b5a2ca4e1956810ed50c5c5b9736",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-06-08T21:40:56Z",
    "title_canon_sha256": "b5c00272e28f7af0eec88c07b2ea74046eaf4b76a0fab0cdc49af1bd7b2b8a89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02766",
    "kind": "arxiv",
    "version": 3
  }
}