Pith Number

pith:ZUZ4IAOK

pith:2014:ZUZ4IAOKDEONNIY4LQWFBCB4SQ

not attested not anchored not stored refs pending

Nonnegative Trigonometric Polynomials, Sturms Theorem, and Symbolic Computation

Man Kam Kwong

arxiv:1402.6778 v2 · 2014-02-27 · math.CA · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZUZ4IAOKDEONNIY4LQWFBCB4SQ}

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	2026-05-18T01:16:21.899239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd33c401ca191cd6a31c5c2c50883c942f0479877f2b7e87fd97a9229bd67c7d

Aliases

arxiv: 1402.6778 · arxiv_version: 1402.6778v2 · doi: 10.48550/arxiv.1402.6778 · pith_short_12: ZUZ4IAOKDEON · pith_short_16: ZUZ4IAOKDEONNIY4 · pith_short_8: ZUZ4IAOK

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/ZUZ4IAOKDEONNIY4LQWFBCB4SQ \
  | 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: cd33c401ca191cd6a31c5c2c50883c942f0479877f2b7e87fd97a9229bd67c7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36d5226cb04e65c392009d6c0dd981ad148a32c69e31d37c4916123dc052808c",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-02-27T03:07:02Z",
    "title_canon_sha256": "49f9bc280c4670644ce448a519be61c1232c85190d1364def0316bba9eab0cca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6778",
    "kind": "arxiv",
    "version": 2
  }
}