Pith Number

pith:FZFOLRZ5

pith:2012:FZFOLRZ5HXAKL6AXZGZDBSPBDB

not attested not anchored not stored refs pending

Discrete State Transition Algorithm for Unconstrained Integer Optimization Problems

Xiaojun Zhou

arxiv:1209.4199 v2 · 2012-09-19 · math.OC · cs.IT · math.IT · math.PR · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZFOLRZ5HXAKL6AXZGZDBSPBDB}

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	2026-05-18T01:17:53.611671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e4ae5c73d3dc0a5f817c9b230c9e11861f20124bc50b017305c093b0a712dfa

Aliases

arxiv: 1209.4199 · arxiv_version: 1209.4199v2 · doi: 10.48550/arxiv.1209.4199 · pith_short_12: FZFOLRZ5HXAK · pith_short_16: FZFOLRZ5HXAKL6AX · pith_short_8: FZFOLRZ5

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/FZFOLRZ5HXAKL6AXZGZDBSPBDB \
  | 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: 2e4ae5c73d3dc0a5f817c9b230c9e11861f20124bc50b017305c093b0a712dfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "189cd3c2ba11cb677217ba647287ff5a14d459fe8a3c268350cc2fd9f510c9cd",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.PR",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-09-19T10:07:46Z",
    "title_canon_sha256": "a17962066307e8543ad6cc2e82630192f022c347598a9bed1a900c3e545a712d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4199",
    "kind": "arxiv",
    "version": 2
  }
}