Pith Number

pith:J446XOZ4

pith:2011:J446XOZ4VFGFKPSUMTXIAFMSYM

not attested not anchored not stored refs pending

An inflationary differential evolution algorithm for space trajectory optimization

Edmondo Minisci, Marco Locatelli, Massimiliano Vasile

arxiv:1104.4731 v1 · 2011-04-25 · cs.CE · cs.NA · cs.NE · cs.SY · math.OC · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J446XOZ4VFGFKPSUMTXIAFMSYM}

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	2026-05-18T00:58:43.484044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f39ebbb3ca94c553e5464ee801592c327a4148c8d7a2dcb47e5f53a19f7c188

Aliases

arxiv: 1104.4731 · arxiv_version: 1104.4731v1 · doi: 10.48550/arxiv.1104.4731 · pith_short_12: J446XOZ4VFGF · pith_short_16: J446XOZ4VFGFKPSU · pith_short_8: J446XOZ4

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/J446XOZ4VFGFKPSUMTXIAFMSYM \
  | 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: 4f39ebbb3ca94c553e5464ee801592c327a4148c8d7a2dcb47e5f53a19f7c188

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17d1562301f3ba300c9ecae55c81d5419bbb760ae2c3fde95ab0933e98d7b82c",
    "cross_cats_sorted": [
      "cs.NA",
      "cs.NE",
      "cs.SY",
      "math.OC",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2011-04-25T15:05:04Z",
    "title_canon_sha256": "5b83dce56cf6948d0ade8a2484aa2779e768c8d6873ebc53269d81617417c305"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4731",
    "kind": "arxiv",
    "version": 1
  }
}