Pith Number

pith:P4I75A7A

pith:2019:P4I75A7ABBSNEL7ZTAD6XN4VID

not attested not anchored not stored refs pending

Detecting Sybil Attacks using Proofs of Work and Location in VANETs

Kemal Fidan, Mahmoud Nabil, Mohamed Abdallah, Mohamed Baza, Mohamed Mahmoud, Niclas Bewermeier

arxiv:1904.05845 v1 · 2019-04-11 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4I75A7ABBSNEL7ZTAD6XN4VID}

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	2026-05-17T23:48:48.263978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f11fe83e00864d22ff99807ebb79540d0d061035938fba7cedc38f058c93b67

Aliases

arxiv: 1904.05845 · arxiv_version: 1904.05845v1 · doi: 10.48550/arxiv.1904.05845 · pith_short_12: P4I75A7ABBSN · pith_short_16: P4I75A7ABBSNEL7Z · pith_short_8: P4I75A7A

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/P4I75A7ABBSNEL7ZTAD6XN4VID \
  | 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: 7f11fe83e00864d22ff99807ebb79540d0d061035938fba7cedc38f058c93b67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a8aac6769302fc781f1e2ecae2699596e563f75cde6ddc9f7d01151cbf9d1c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-04-11T16:57:16Z",
    "title_canon_sha256": "e9e769c61e36270ef95f71bba17d8a8c1018f2f1bb46a5c73cfa374cf5207066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05845",
    "kind": "arxiv",
    "version": 1
  }
}