Pith Number

pith:OVIGUBIZ

pith:2019:OVIGUBIZS6EHOKF3WRXXLRGSKJ

not attested not anchored not stored refs pending

How Many Passengers Can We Serve with Ride-sharing?

Zeren Tan

arxiv:1901.07906 v1 · 2019-01-22 · cs.DS · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVIGUBIZS6EHOKF3WRXXLRGSKJ}

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	2026-05-17T23:55:39.491169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75506a051997887728bbb46f75c4d25271870ae1819564e2c8f7c10d9f958835

Aliases

arxiv: 1901.07906 · arxiv_version: 1901.07906v1 · doi: 10.48550/arxiv.1901.07906 · pith_short_12: OVIGUBIZS6EH · pith_short_16: OVIGUBIZS6EHOKF3 · pith_short_8: OVIGUBIZ

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/OVIGUBIZS6EHOKF3WRXXLRGSKJ \
  | 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: 75506a051997887728bbb46f75c4d25271870ae1819564e2c8f7c10d9f958835

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04cd6825b5658387ec838efe1fbe9a5a9d9ae52e488dce21f6f9a85bb7bb21fb",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-01-22T08:48:30Z",
    "title_canon_sha256": "b03269bb24f912e42bd7e4d408a53c5d3a7ca6841f24a12fb423a2febae31c16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07906",
    "kind": "arxiv",
    "version": 1
  }
}