Pith Number

pith:DWDDKJOV

pith:2011:DWDDKJOVMGVJOLR75KI2F6MMKX

not attested not anchored not stored refs pending

Location Cheating: A Security Challenge to Location-based Social Network Services

Mai Ren, Wenbo He, Xue Liu

arxiv:1102.4135 v1 · 2011-02-21 · cs.SI · 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{DWDDKJOVMGVJOLR75KI2F6MMKX}

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	2026-05-18T04:28:18.925401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d863525d561aa972e3fea91a2f98c55dd17c3a34ee50f1e45ce7127d86ced60

Aliases

arxiv: 1102.4135 · arxiv_version: 1102.4135v1 · doi: 10.48550/arxiv.1102.4135 · pith_short_12: DWDDKJOVMGVJ · pith_short_16: DWDDKJOVMGVJOLR7 · pith_short_8: DWDDKJOV

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/DWDDKJOVMGVJOLR75KI2F6MMKX \
  | 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: 1d863525d561aa972e3fea91a2f98c55dd17c3a34ee50f1e45ce7127d86ced60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a7efdcbd03e83094d67f4fa6a7d119698e4986164f43480ae764c381a426411",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2011-02-21T05:17:11Z",
    "title_canon_sha256": "0f0efaadcba0b16740ae339aed66a1ba444019d70ca277995df91b2d53adba4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4135",
    "kind": "arxiv",
    "version": 1
  }
}