Pith Number

pith:DEM2ZIJS

pith:2016:DEM2ZIJSBTEC7YZLWOFIYXM2QR

not attested not anchored not stored refs pending

Empty-car routing in ridesharing systems

Anton Braverman, J.G. Dai, Lei Ying, Xin Liu

arxiv:1609.07219 v4 · 2016-09-23 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DEM2ZIJSBTEC7YZLWOFIYXM2QR}

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	2026-05-18T00:08:16.323812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1919aca1320cc82fe32bb38a8c5d9a8442d2d2890c1e3788f4747f533fc6d9c6

Aliases

arxiv: 1609.07219 · arxiv_version: 1609.07219v4 · doi: 10.48550/arxiv.1609.07219 · pith_short_12: DEM2ZIJSBTEC · pith_short_16: DEM2ZIJSBTEC7YZL · pith_short_8: DEM2ZIJS

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/DEM2ZIJSBTEC7YZLWOFIYXM2QR \
  | 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: 1919aca1320cc82fe32bb38a8c5d9a8442d2d2890c1e3788f4747f533fc6d9c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2b1f1ded3563a8ade59d91897b3e12b49c359a776c9c995e20384fef51a67e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2016-09-23T03:22:48Z",
    "title_canon_sha256": "dd07c70a43a84cb79cf3b57eebae7051cc1e215869f9b75b5546897018b40b2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07219",
    "kind": "arxiv",
    "version": 4
  }
}