Pith Number

pith:LYQVCUR7

pith:2018:LYQVCUR7KMBHBDGEZ7B7IZPD3P

not attested not anchored not stored refs pending

An Improved Tabu Search Heuristic for Static Dial-A-Ride Problem

Justin Dauwels, Ramesh Ramasamy Pandi, Sarat Chandra Nagavarapu, Songguang Ho

arxiv:1801.09547 v5 · 2018-01-25 · cs.AI · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYQVCUR7KMBHBDGEZ7B7IZPD3P}

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	2026-05-18T00:23:22.682103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e2151523f5302708cc4cfc3f465e3dbc31fad4cf78ad957381610f307f69369

Aliases

arxiv: 1801.09547 · arxiv_version: 1801.09547v5 · doi: 10.48550/arxiv.1801.09547 · pith_short_12: LYQVCUR7KMBH · pith_short_16: LYQVCUR7KMBHBDGE · pith_short_8: LYQVCUR7

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/LYQVCUR7KMBHBDGEZ7B7IZPD3P \
  | 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: 5e2151523f5302708cc4cfc3f465e3dbc31fad4cf78ad957381610f307f69369

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e039dd5178d6bd81eaf6d4ccd61c104b5665c83030459c38f239d406ddabd2c1",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-01-25T09:46:42Z",
    "title_canon_sha256": "7b7aa54fcdef63988ba484ef396b9575f15468f3d72a3927035cbd995f90f967"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09547",
    "kind": "arxiv",
    "version": 5
  }
}