Pith Number

pith:Z7ACXKV7

pith:2016:Z7ACXKV7W7CKJLT57E2CSPXX3Y

not attested not anchored not stored refs pending

A Comparative Study of STA on Large Scale Global Optimization

Xiaojun Zhou

arxiv:1604.07120 v1 · 2016-04-25 · 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{Z7ACXKV7W7CKJLT57E2CSPXX3Y}

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	2026-05-18T01:01:51.844295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfc02baabfb7c4a4ae7df934293ef7de1671516f99b2d39b4cf4454f08ba24bb

Aliases

arxiv: 1604.07120 · arxiv_version: 1604.07120v1 · doi: 10.48550/arxiv.1604.07120 · pith_short_12: Z7ACXKV7W7CK · pith_short_16: Z7ACXKV7W7CKJLT5 · pith_short_8: Z7ACXKV7

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/Z7ACXKV7W7CKJLT57E2CSPXX3Y \
  | 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: cfc02baabfb7c4a4ae7df934293ef7de1671516f99b2d39b4cf4454f08ba24bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12451d01475b5a834f13f6989580398edcbdbb54a7c143ed5c93f91aa6fd648f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-04-25T03:46:02Z",
    "title_canon_sha256": "38d62ebedbd91f288b300357a57bd7053204386f02ba2719296761556e2266d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07120",
    "kind": "arxiv",
    "version": 1
  }
}