Pith Number

pith:R54PF5F2

pith:2008:R54PF5F2JWXEBDMZSA7F7AHJKY

not attested not anchored not stored refs pending

Towards sustainable transport: wireless detection of passenger trips on public transport buses

Vassilis Kostakos

arxiv:0806.0874 v4 · 2008-06-04 · 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{R54PF5F2JWXEBDMZSA7F7AHJKY}

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	2026-05-18T03:05:36.052158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f78f2f4ba4dae408d99903e5f80e9562bcc4edad605afa06ddb25f46031fdbd

Aliases

arxiv: 0806.0874 · arxiv_version: 0806.0874v4 · doi: 10.48550/arxiv.0806.0874 · pith_short_12: R54PF5F2JWXE · pith_short_16: R54PF5F2JWXEBDMZ · pith_short_8: R54PF5F2

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/R54PF5F2JWXEBDMZSA7F7AHJKY \
  | 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: 8f78f2f4ba4dae408d99903e5f80e9562bcc4edad605afa06ddb25f46031fdbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0042f27d173d9330f217158e3d5c86fdbeff086b45edefc3d426aa7db8e9065c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2008-06-04T23:40:04Z",
    "title_canon_sha256": "4734359a09ae919443c68c8e7bbe49ef26f9cacb09e5eac468e3196d850951b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.0874",
    "kind": "arxiv",
    "version": 4
  }
}