Pith Number

pith:QB2F2ACK

pith:2011:QB2F2ACKUZH7K5OLRMF5UMGXMH

not attested not anchored not stored refs pending

Automatic Vehicle Checking Agent (VCA)

Bashir Ahmad, Muhammad Zaheer Aslam, Shahid Hussain, Shakeel Ahmad, Zafar Abbas

arxiv:1104.1677 v2 · 2011-04-09 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QB2F2ACKUZH7K5OLRMF5UMGXMH}

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	2026-05-18T04:07:06.694661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80745d004aa64ff575cb8b0bda30d761f90e6c614635c8d6a44d2dba6fc7faf6

Aliases

arxiv: 1104.1677 · arxiv_version: 1104.1677v2 · doi: 10.48550/arxiv.1104.1677 · pith_short_12: QB2F2ACKUZH7 · pith_short_16: QB2F2ACKUZH7K5OL · pith_short_8: QB2F2ACK

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/QB2F2ACKUZH7K5OLRMF5UMGXMH \
  | 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: 80745d004aa64ff575cb8b0bda30d761f90e6c614635c8d6a44d2dba6fc7faf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d493911732fe7a66da43022e0e6ff15b268cd5b28d49fdd73e9b75a0d6434ee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-04-09T06:31:24Z",
    "title_canon_sha256": "715f2dec4f5e158f79031d8af6bb330694152f2be71d0c4de832377b158a4b50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1677",
    "kind": "arxiv",
    "version": 2
  }
}