Pith Number

pith:JXWYNM52

pith:2018:JXWYNM52QNATKS5IEDSQQZEQVF

not attested not anchored not stored refs pending

A New Sparse SOS Decomposition Algorithm Based on Term Sparsity

Bican Xia, Haokun Li, Jie Wang

arxiv:1809.10848 v2 · 2018-09-28 · 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{JXWYNM52QNATKS5IEDSQQZEQVF}

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	2026-05-17T23:55:54.910913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ded86b3ba8341354ba820e5086490a96c41c2068008d6e738e3b3ca294d88c3

Aliases

arxiv: 1809.10848 · arxiv_version: 1809.10848v2 · doi: 10.48550/arxiv.1809.10848 · pith_short_12: JXWYNM52QNAT · pith_short_16: JXWYNM52QNATKS5I · pith_short_8: JXWYNM52

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/JXWYNM52QNATKS5IEDSQQZEQVF \
  | 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: 4ded86b3ba8341354ba820e5086490a96c41c2068008d6e738e3b3ca294d88c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2be45a11953430075da51e6dac1b67a7fd6c89463e51cd01de564fb5f648f6d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-28T04:02:44Z",
    "title_canon_sha256": "f392663639075ed67f311b06304d529f1ed882994b4890e166ca6b285f73dbc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10848",
    "kind": "arxiv",
    "version": 2
  }
}