Pith Number

pith:ZDH23OGJ

pith:2010:ZDH23OGJBFXERCS3TIGJY3NOBJ

not attested not anchored not stored refs pending

Privacy in geo-social networks: proximity notification with untrusted service providers and curious buddies

Claudio Bettini, Dario Freni, Sergio Mascetti, Sushil Jajodia, X. Sean Wang

arxiv:1007.0408 v2 · 2010-07-02 · cs.DB · 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{ZDH23OGJBFXERCS3TIGJY3NOBJ}

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	2026-05-18T04:36:51.164307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8cfadb8c9096e488a5b9a0c9c6dae0a6a1305a4d23af3d98467923c3f3edfca

Aliases

arxiv: 1007.0408 · arxiv_version: 1007.0408v2 · doi: 10.48550/arxiv.1007.0408 · pith_short_12: ZDH23OGJBFXE · pith_short_16: ZDH23OGJBFXERCS3 · pith_short_8: ZDH23OGJ

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/ZDH23OGJBFXERCS3TIGJY3NOBJ \
  | 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: c8cfadb8c9096e488a5b9a0c9c6dae0a6a1305a4d23af3d98467923c3f3edfca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388c4a555b3288ce8ee6c7d895d918af9261b5406eab3cefc38a8e557bbf0401",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2010-07-02T17:25:51Z",
    "title_canon_sha256": "c6e2d9669c3090c9dac8dba8a6878eca80ad34fc4ef97dd56c8490d565a4f9c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.0408",
    "kind": "arxiv",
    "version": 2
  }
}