Pith Number

pith:24MQ4JRQ

pith:2018:24MQ4JRQFLIMISZ2OTL5F76TLG

not attested not anchored not stored refs pending

PPtaxi: Non-stop Package Delivery via Multi-hop Ridesharing

Bangbang Ren, Deke Guo, Guoming Tang, Ming Xu, Tongqing Zhou, Yueyue Chen

arxiv:1809.04733 v1 · 2018-09-13 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{24MQ4JRQFLIMISZ2OTL5F76TLG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:05:49.803409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7190e26302ad0c44b3a74d7d2ffd3598a6d74034685a1dd745400889f016858

Aliases

arxiv: 1809.04733 · arxiv_version: 1809.04733v1 · doi: 10.48550/arxiv.1809.04733 · pith_short_12: 24MQ4JRQFLIM · pith_short_16: 24MQ4JRQFLIMISZ2 · pith_short_8: 24MQ4JRQ

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/24MQ4JRQFLIMISZ2OTL5F76TLG \
  | 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: d7190e26302ad0c44b3a74d7d2ffd3598a6d74034685a1dd745400889f016858

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6442c873a470963f317c6b394133faf44f51c3b95d840981da1fa8518e3a4a7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-09-13T01:33:03Z",
    "title_canon_sha256": "985708fe1591d56d7e3c7d707ba1496fd896235869aa2e10ef0368d7fcb92c89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04733",
    "kind": "arxiv",
    "version": 1
  }
}