Pith Number

pith:EYENQ4BS

pith:2013:EYENQ4BSKAIKG4OWBBE7KDT5LB

not attested not anchored not stored refs pending

A Friendship Privacy Attack on Friends and 2-Distant Neighbors in Social Networks

James Joshi, Lei Jin, Xuelian Long

arxiv:1309.6204 v2 · 2013-09-24 · cs.SI · cs.CR · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EYENQ4BSKAIKG4OWBBE7KDT5LB}

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	2026-05-18T03:05:47.487452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2608d870325010a371d60849f50e7d5863b4cfece4bcc606b7b5e214ec03c1d4

Aliases

arxiv: 1309.6204 · arxiv_version: 1309.6204v2 · doi: 10.48550/arxiv.1309.6204 · pith_short_12: EYENQ4BSKAIK · pith_short_16: EYENQ4BSKAIKG4OW · pith_short_8: EYENQ4BS

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/EYENQ4BSKAIKG4OWBBE7KDT5LB \
  | 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: 2608d870325010a371d60849f50e7d5863b4cfece4bcc606b7b5e214ec03c1d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5affd07cf86e88b5a475bb36a96342ce80866b5d014d4dbbf27b2893e9222ae",
    "cross_cats_sorted": [
      "cs.CR",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2013-09-24T15:13:13Z",
    "title_canon_sha256": "29623303b0bf9301c88e77a84363cd43d942c3e429da37fd9c94375bccc52364"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6204",
    "kind": "arxiv",
    "version": 2
  }
}