Pith Number

pith:KPKEBJX5

pith:2018:KPKEBJX55WUT3A3UXHEWMJEQJZ

not attested not anchored not stored refs pending

Real-Time Rejection and Mitigation of Time Synchronization Attacks on the Global Positioning System

Ahmad F. Taha, Ali Khalajmehrabadi, David Akopian, Nikolaos Gatsis

arxiv:1802.01649 v1 · 2018-02-05 · cs.SY · cs.CR · eess.SP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPKEBJX55WUT3A3UXHEWMJEQJZ}

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	2026-05-18T00:24:21.801136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53d440a6fdeda93d8374b9c96624904e5c756090355236eba34ba8879eda0c8a

Aliases

arxiv: 1802.01649 · arxiv_version: 1802.01649v1 · doi: 10.48550/arxiv.1802.01649 · pith_short_12: KPKEBJX55WUT · pith_short_16: KPKEBJX55WUT3A3U · pith_short_8: KPKEBJX5

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/KPKEBJX55WUT3A3UXHEWMJEQJZ \
  | 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: 53d440a6fdeda93d8374b9c96624904e5c756090355236eba34ba8879eda0c8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc64df8d1d68d149234f9faac364953b2f97ec001424db8f19c1140a8d624e42",
    "cross_cats_sorted": [
      "cs.CR",
      "eess.SP",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-02-05T20:40:52Z",
    "title_canon_sha256": "5f94f0506e9f1cebc881cbf14c4d28ce5b11852f0e69095def8082453f64fdd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01649",
    "kind": "arxiv",
    "version": 1
  }
}