Pith Number

pith:TDK2YHQT

pith:2020:TDK2YHQTSYUDRWN5G7J4A3OAQN

not attested not anchored not stored refs pending

Evolving Diverse Sets of Tours for the Travelling Salesperson Problem

Aneta Neumann, Anh Viet Do, Frank Neumann, Jakob Bossek

arxiv:2004.09188 v2 · 2020-04-20 · 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{TDK2YHQTSYUDRWN5G7J4A3OAQN}

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	2026-07-05T03:18:59.587903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98d5ac1e13962838d9bd37d3c06dc08357efdebf84699236ca0539769bd432df

Aliases

arxiv: 2004.09188 · arxiv_version: 2004.09188v2 · doi: 10.48550/arxiv.2004.09188 · pith_short_12: TDK2YHQTSYUD · pith_short_16: TDK2YHQTSYUDRWN5 · pith_short_8: TDK2YHQT

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/TDK2YHQTSYUDRWN5G7J4A3OAQN \
  | 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: 98d5ac1e13962838d9bd37d3c06dc08357efdebf84699236ca0539769bd432df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d839965f0de90c44b2908b407584dd253ae28be9c0682f65bd59af671c0966",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-04-20T10:34:07Z",
    "title_canon_sha256": "787dbdb75e60d2115fbd5c7308d99a6a1d0b410f32c25bebafff01e7b25eefa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09188",
    "kind": "arxiv",
    "version": 2
  }
}