Pith Number

pith:X4P743VH

pith:2019:X4P743VHKWIZJH6KANZDTU6AHC

not attested not anchored not stored refs pending

Tight Analysis of the Smartstart Algorithm for Online Dial-a-Ride on the Line

Alexander Birx, Yann Disser

arxiv:1901.04272 v1 · 2019-01-14 · math.OC · 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{X4P743VHKWIZJH6KANZDTU6AHC}

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.

Cited by

1 paper in Pith

Improved Bounds for Open Online Dial-a-Ride on the Line

Receipt and verification

First computed	2026-05-17T23:56:25.955747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf1ffe6ea75591949fca037239d3c038aa9929467bd57a9858d3d5fa91d6ea00

Aliases

arxiv: 1901.04272 · arxiv_version: 1901.04272v1 · doi: 10.48550/arxiv.1901.04272 · pith_short_12: X4P743VHKWIZ · pith_short_16: X4P743VHKWIZJH6K · pith_short_8: X4P743VH

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/X4P743VHKWIZJH6KANZDTU6AHC \
  | 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: bf1ffe6ea75591949fca037239d3c038aa9929467bd57a9858d3d5fa91d6ea00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4392bbc923e9f8be599ed989c4e509038150ec18a4e4cc8821155ac00229de51",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-01-14T12:58:51Z",
    "title_canon_sha256": "74802562a6d25baedf0df96e44b204a00362535432fa9d067261bb6fe3a4d375"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04272",
    "kind": "arxiv",
    "version": 1
  }
}