Pith Number

pith:ETZVJBJ4

pith:2016:ETZVJBJ4GFIV7JZLZEXZRECQPN

not attested not anchored not stored refs pending

A simple preprocessing algorithm for semidefinite programming

Gabor Pataki, Preston Faulk, Quoc Tran-Dinh

arxiv:1608.02300 v1 · 2016-08-08 · 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{ETZVJBJ4GFIV7JZLZEXZRECQPN}

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	2026-05-18T01:09:40.537139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f354853c31515fa72bc92f9890507b49e4a25d854540532caefe4350fd6358

Aliases

arxiv: 1608.02300 · arxiv_version: 1608.02300v1 · doi: 10.48550/arxiv.1608.02300 · pith_short_12: ETZVJBJ4GFIV · pith_short_16: ETZVJBJ4GFIV7JZL · pith_short_8: ETZVJBJ4

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/ETZVJBJ4GFIV7JZLZEXZRECQPN \
  | 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: 24f354853c31515fa72bc92f9890507b49e4a25d854540532caefe4350fd6358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce0b80bea863c50ebae77cdbaedc6962a6cc3602accf98d07a5e3b5e224ba35d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-08-08T02:34:45Z",
    "title_canon_sha256": "2e2bfb3802ad1971c064147ec6b15b50e86190639117602624aaf4c8d3bf3446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02300",
    "kind": "arxiv",
    "version": 1
  }
}