Pith Number

pith:HFBKNI5F

pith:2022:HFBKNI5FFUQDSF3TM3YK2KWPR6

not attested not anchored not stored refs pending

How might Driver Licensing and Vehicle Registration evolve if we adopt Autonomous Cars and Digital Identification?

Scott McLachlan

arxiv:2202.09861 v1 · 2022-02-20 · 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{HFBKNI5FFUQDSF3TM3YK2KWPR6}

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	2026-07-05T03:58:26.812169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3942a6a3a52d2039177366f0ad2acf8f898364ac632e0a7e7dcddb6a8c133dfb

Aliases

arxiv: 2202.09861 · arxiv_version: 2202.09861v1 · doi: 10.48550/arxiv.2202.09861 · pith_short_12: HFBKNI5FFUQD · pith_short_16: HFBKNI5FFUQDSF3T · pith_short_8: HFBKNI5F

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/HFBKNI5FFUQDSF3TM3YK2KWPR6 \
  | 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: 3942a6a3a52d2039177366f0ad2acf8f898364ac632e0a7e7dcddb6a8c133dfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "948340c5ac691d13a4025f40a1fadd17fe9bb73d5d7f13988493fa4b4d4b7a2d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2022-02-20T17:11:32Z",
    "title_canon_sha256": "0c6cbbb762d5665c5b993692553131a06d67e55ed8d1b94651978274d2e55d74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.09861",
    "kind": "arxiv",
    "version": 1
  }
}