Pith Number

pith:YO7YELSF

pith:2009:YO7YELSFCFD2JMZ7TVFOMZQSJB

not attested not anchored not stored refs pending

Secure Vehicular Communication Systems: Implementation, Performance, and Research Challenges

A. Held, A. Kung, B. Wiedersheim, E. Schoch, F. Kargl, G. Calandriello, J.-P. Hubaux, L. Buttyan, M. Muter, P. Papadimitratos, T.-V. Thong

arxiv:0912.5393 v1 · 2009-12-30 · cs.CR · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YO7YELSFCFD2JMZ7TVFOMZQSJB}

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	2026-05-18T00:57:57.935395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3bf822e451147a4b33f9d4ae66612485f4f506dfaf7bbe253d3b3859ea051f8

Aliases

arxiv: 0912.5393 · arxiv_version: 0912.5393v1 · doi: 10.48550/arxiv.0912.5393 · pith_short_12: YO7YELSFCFD2 · pith_short_16: YO7YELSFCFD2JMZ7 · pith_short_8: YO7YELSF

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/YO7YELSFCFD2JMZ7TVFOMZQSJB \
  | 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: c3bf822e451147a4b33f9d4ae66612485f4f506dfaf7bbe253d3b3859ea051f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d56cecc3be162c5a7d4a978e01c62bc78954b4746494bfca20a33e61066f8c9",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2009-12-30T16:43:37Z",
    "title_canon_sha256": "4521e6483f3f47e9a269ba7bff410ae53c159fe1520e8d82ed77394f5d1ad7db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5393",
    "kind": "arxiv",
    "version": 1
  }
}