Pith Number

pith:5MEDXJGP

pith:2012:5MEDXJGPQ4LX3UMFG4TZHLTDXF

not attested not anchored not stored refs pending

Inferring Taxi Status Using GPS Trajectories

Darshan Santani, Liuhang Zhang, Qiang Yang, Xing Xie, Yin Zhu, Yu Zheng

arxiv:1205.4378 v2 · 2012-05-20 · cs.AI · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5MEDXJGPQ4LX3UMFG4TZHLTDXF}

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	2026-05-18T03:53:19.628933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb083ba4cf87177dd185372793ae63b95c7917bdbcd01377ea03d2f050d656f1

Aliases

arxiv: 1205.4378 · arxiv_version: 1205.4378v2 · doi: 10.48550/arxiv.1205.4378 · pith_short_12: 5MEDXJGPQ4LX · pith_short_16: 5MEDXJGPQ4LX3UMF · pith_short_8: 5MEDXJGP

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/5MEDXJGPQ4LX3UMFG4TZHLTDXF \
  | 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: eb083ba4cf87177dd185372793ae63b95c7917bdbcd01377ea03d2f050d656f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "257f8c4b468a139ff28879d358e0039fa1e689787f880fc5e9ea1315f1fe1f9e",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-05-20T03:24:25Z",
    "title_canon_sha256": "e002d5c52fb30a3c4834c7548c74dc73b7963476d4f3b3fe06db12d43cfca029"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4378",
    "kind": "arxiv",
    "version": 2
  }
}