Pith Number

pith:NEZALP5P

pith:2012:NEZALP5PWGPSZFCJG4PHLQCNCX

not attested not anchored not stored refs pending

Parameterized Runtime Analyses of Evolutionary Algorithms for the Euclidean Traveling Salesperson Problem

Andrew M. Sutton, Frank Neumann

arxiv:1207.0578 v2 · 2012-07-03 · cs.NE · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NEZALP5PWGPSZFCJG4PHLQCNCX}

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	2026-05-18T03:43:42.028034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

693205bfafb19f2c9449371e75c04d15debcbde7c89e063820b6d76f2c20001e

Aliases

arxiv: 1207.0578 · arxiv_version: 1207.0578v2 · doi: 10.48550/arxiv.1207.0578 · pith_short_12: NEZALP5PWGPS · pith_short_16: NEZALP5PWGPSZFCJ · pith_short_8: NEZALP5P

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/NEZALP5PWGPSZFCJG4PHLQCNCX \
  | 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: 693205bfafb19f2c9449371e75c04d15debcbde7c89e063820b6d76f2c20001e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34d6672423422120a9b368a45faa60a3263b246830ead956fea09f4738c75905",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2012-07-03T06:21:11Z",
    "title_canon_sha256": "062bf05625129f38ef13ee1202ddd21f69ecc9d113072249cf3981810c48a80f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0578",
    "kind": "arxiv",
    "version": 2
  }
}