Pith Number

pith:Y6GA573M

pith:2015:Y6GA573M766ACGFLPNLFWBHI3H

not attested not anchored not stored refs pending

Evolving TSP heuristics using Multi Expression Programming

D. Dumitrescu, Mihai Oltean

arxiv:1509.02459 v1 · 2015-09-08 · cs.AI · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6GA573M766ACGFLPNLFWBHI3H}

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	2026-05-18T01:33:40.848106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c78c0eff6cffbc0118ab7b565b04e8d9d53cfaab6c752ee09070f274e645b2e3

Aliases

arxiv: 1509.02459 · arxiv_version: 1509.02459v1 · doi: 10.48550/arxiv.1509.02459 · pith_short_12: Y6GA573M766A · pith_short_16: Y6GA573M766ACGFL · pith_short_8: Y6GA573M

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/Y6GA573M766ACGFLPNLFWBHI3H \
  | 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: c78c0eff6cffbc0118ab7b565b04e8d9d53cfaab6c752ee09070f274e645b2e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e5586807c38c506f80d6a439a55007d64125829bcf25008e78d2da1f682f7ef",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-09-08T17:37:01Z",
    "title_canon_sha256": "65d451b294a446b2c31ed829ebd4f6bf2b5dcd73e467217c9f2ef3443b99a90b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02459",
    "kind": "arxiv",
    "version": 1
  }
}