Pith Number

pith:KOOZIDHX

pith:2013:KOOZIDHX5B2VWKCHNHZWVMRQUN

not attested not anchored not stored refs pending

An Improved ACS Algorithm for the Solutions of Larger TSP Problems

Md. Kamrul Hasan, Md. Rakib Hassan, M.M.A. Hashem

arxiv:1304.3763 v1 · 2013-04-13 · cs.AI · cs.DS · 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{KOOZIDHX5B2VWKCHNHZWVMRQUN}

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	2026-05-18T03:28:04.438929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

539d940cf7e8755b284769f36ab230a343f79146f4988bec452655f13946e48e

Aliases

arxiv: 1304.3763 · arxiv_version: 1304.3763v1 · doi: 10.48550/arxiv.1304.3763 · pith_short_12: KOOZIDHX5B2V · pith_short_16: KOOZIDHX5B2VWKCH · pith_short_8: KOOZIDHX

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/KOOZIDHX5B2VWKCHNHZWVMRQUN \
  | 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: 539d940cf7e8755b284769f36ab230a343f79146f4988bec452655f13946e48e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e8ad120ac5f8789e46e14f65ed394d4437b84f57adc280d88b5354316019c1",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-04-13T02:30:23Z",
    "title_canon_sha256": "3f662404f029017a1451b05c89ea9cff2897cba6c99baeda6c26ba401f463c75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3763",
    "kind": "arxiv",
    "version": 1
  }
}