Pith Number

pith:2EX4TJ5Q

pith:2018:2EX4TJ5QTDVO2ODXJYQFSXEBGS

not attested not anchored not stored refs pending

A Perspective on the Challenges and Opportunities for Privacy-Aware Big Transportation Data

Bilal Farooq, Godwin Badu-Marfo, Zachary Patterson

arxiv:1811.09486 v1 · 2018-11-23 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2EX4TJ5QTDVO2ODXJYQFSXEBGS}

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	2026-05-17T23:50:48.696635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d12fc9a7b098eaed38774e20595c8134bdfb675be2ae905d4f6d74c6238f2414

Aliases

arxiv: 1811.09486 · arxiv_version: 1811.09486v1 · doi: 10.48550/arxiv.1811.09486 · pith_short_12: 2EX4TJ5QTDVO · pith_short_16: 2EX4TJ5QTDVO2ODX · pith_short_8: 2EX4TJ5Q

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/2EX4TJ5QTDVO2ODXJYQFSXEBGS \
  | 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: d12fc9a7b098eaed38774e20595c8134bdfb675be2ae905d4f6d74c6238f2414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc1b0bdb7ae6e4e7e8a546c7bdbe8edffae2e4775794c4ffc4fecb8a381d6125",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-11-23T14:16:33Z",
    "title_canon_sha256": "aad9b774d55827606d752f6f9ca5f866814a9c8a32fc5ca7ea697ebe4ca95d2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09486",
    "kind": "arxiv",
    "version": 1
  }
}