Pith Number

pith:B7RSOWI7

pith:2019:B7RSOWI7ICPFNCLTDWI2J5RGVO

not attested not anchored not stored refs pending

A PTAS for Bounded-Capacity Vehicle Routing in Planar Graphs

Aaron Schild, Amariah Becker, Philip N. Klein

arxiv:1901.07032 v1 · 2019-01-21 · 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{B7RSOWI7ICPFNCLTDWI2J5RGVO}

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	2026-05-17T23:55:48.334776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fe327591f409e5689731d91a4f626ab97e55176add3d5782f1e65452fed6654

Aliases

arxiv: 1901.07032 · arxiv_version: 1901.07032v1 · doi: 10.48550/arxiv.1901.07032 · pith_short_12: B7RSOWI7ICPF · pith_short_16: B7RSOWI7ICPFNCLT · pith_short_8: B7RSOWI7

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/B7RSOWI7ICPFNCLTDWI2J5RGVO \
  | 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: 0fe327591f409e5689731d91a4f626ab97e55176add3d5782f1e65452fed6654

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7596a6fbd5ce988a398748e69effb0d92accaf8188970e1c3ed81bef065a48c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-01-21T18:45:29Z",
    "title_canon_sha256": "ca1ae8d3e8e79fdd2deb6f6770ed02c6501c860ae160c9866f54afa20a436073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07032",
    "kind": "arxiv",
    "version": 1
  }
}