Pith Number

pith:BZSMO3GQ

pith:2020:BZSMO3GQNCY7RFFQURIKFRJ6GK

not attested not anchored not stored refs pending

Hybridization of interval methods and evolutionary algorithms for solving difficult optimization problems

Charlie Vanaret

arxiv:2001.11465 v1 · 2020-01-30 · math.NA · cs.NA · 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{BZSMO3GQNCY7RFFQURIKFRJ6GK}

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	2026-07-05T00:37:24.277458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e64c76cd068b1f894b0a450a2c53e32b7039821e5a43f19057a28e6013207b8

Aliases

arxiv: 2001.11465 · arxiv_version: 2001.11465v1 · doi: 10.48550/arxiv.2001.11465 · pith_short_12: BZSMO3GQNCY7 · pith_short_16: BZSMO3GQNCY7RFFQ · pith_short_8: BZSMO3GQ

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/BZSMO3GQNCY7RFFQURIKFRJ6GK \
  | 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: 0e64c76cd068b1f894b0a450a2c53e32b7039821e5a43f19057a28e6013207b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8236a6cf4bc0652b0fcdf80d040b4a053276dd4950428932d4ff9c184cc10a7",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-01-30T17:23:32Z",
    "title_canon_sha256": "cfed7cad33fb341a5a678879817e1db9cec86973cc059b59bd45aaf9ac737ace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11465",
    "kind": "arxiv",
    "version": 1
  }
}