Pith Number

pith:5HHPMKSO

pith:2009:5HHPMKSOAHY2CH7EKBCKBTGELS

not attested not anchored not stored refs pending

Regularization Methods for SDP Relaxations in Large Scale Polynomial Optimization

Jiawang Nie, Li Wang

arxiv:0909.3551 v2 · 2009-09-19 · 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{5HHPMKSOAHY2CH7EKBCKBTGELS}

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	2026-05-18T04:07:05.494952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9cef62a4e01f1a11fe45044a0ccc45ca4c9d934725f94e7680d448faaf209f3

Aliases

arxiv: 0909.3551 · arxiv_version: 0909.3551v2 · doi: 10.48550/arxiv.0909.3551 · pith_short_12: 5HHPMKSOAHY2 · pith_short_16: 5HHPMKSOAHY2CH7E · pith_short_8: 5HHPMKSO

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/5HHPMKSOAHY2CH7EKBCKBTGELS \
  | 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: e9cef62a4e01f1a11fe45044a0ccc45ca4c9d934725f94e7680d448faaf209f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b380ce5356d01c1a99b129daa8204a6057e985ec66bbff195d7a0ddd81e8e7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2009-09-19T01:08:17Z",
    "title_canon_sha256": "6dd8769eecda1c6d8297f31665deb39f7e08dc4bd26dab52ca910384c5c658cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3551",
    "kind": "arxiv",
    "version": 2
  }
}