Pith Number

pith:YDRAEL7A

pith:2018:YDRAEL7A7M7U54ABDQ4HBDYDST

not attested not anchored not stored refs pending

A matching-based heuristic algorithm for school bus routing problems

Ali Haghani, Ali Shafahi, Zhongxiang Wang

arxiv:1807.05311 v1 · 2018-07-14 · 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{YDRAEL7A7M7U54ABDQ4HBDYDST}

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	2026-05-18T00:04:35.448999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0e2022fe0fb3f4ef0011c38708f0394ebb634110e6fd807dd6804a34c076e70

Aliases

arxiv: 1807.05311 · arxiv_version: 1807.05311v1 · doi: 10.48550/arxiv.1807.05311 · pith_short_12: YDRAEL7A7M7U · pith_short_16: YDRAEL7A7M7U54AB · pith_short_8: YDRAEL7A

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/YDRAEL7A7M7U54ABDQ4HBDYDST \
  | 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: c0e2022fe0fb3f4ef0011c38708f0394ebb634110e6fd807dd6804a34c076e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c10756d5bd4b22e294a189d62e2a8c56b590798338066b7bc4df2cfa708334e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-07-14T00:17:10Z",
    "title_canon_sha256": "fa4d8ed085d56aceab8fc4b3007ba326a04c3deff710c3d8c8c0f5ef3760902f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05311",
    "kind": "arxiv",
    "version": 1
  }
}