Pith Number

pith:IQXU7GBX

pith:2013:IQXU7GBXUBTYUBEFVARPLK6RH2

not attested not anchored not stored refs pending

Eat the Cake and Have It Too: Privacy Preserving Location Aggregates in Geosocial Networks

Bogdan Carbunar, Jaime Ballesteros, Mahmudur Rahman, Naphtali Rishe

arxiv:1304.3513 v1 · 2013-04-12 · cs.CR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQXU7GBXUBTYUBEFVARPLK6RH2}

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	2026-05-18T03:28:07.513613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

442f4f9837a0678a0485a822f5abd13e95399cf1b8dd5ee7548135f54d0fea43

Aliases

arxiv: 1304.3513 · arxiv_version: 1304.3513v1 · doi: 10.48550/arxiv.1304.3513 · pith_short_12: IQXU7GBXUBTY · pith_short_16: IQXU7GBXUBTYUBEF · pith_short_8: IQXU7GBX

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/IQXU7GBXUBTYUBEFVARPLK6RH2 \
  | 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: 442f4f9837a0678a0485a822f5abd13e95399cf1b8dd5ee7548135f54d0fea43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "944a8deeffd91442d8c7b240b3007b4ce64fc91cc78499d35837c92f5f11dcc4",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2013-04-12T00:43:53Z",
    "title_canon_sha256": "60396f94199e792869b5313411359bd90d12b74f045929bd901ba8d4470cb70c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3513",
    "kind": "arxiv",
    "version": 1
  }
}