Pith Number

pith:UPWDI2BL

pith:2015:UPWDI2BLJ7SAUCPKRKYBI7X76U

not attested not anchored not stored refs pending

Building and Measuring Privacy-Preserving Predictive Blacklists

Apostolos Pyrgelis, Emiliano De Cristofaro, Luca Melis

arxiv:1512.04114 v5 · 2015-12-13 · cs.CR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPWDI2BLJ7SAUCPKRKYBI7X76U}

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	2026-05-18T00:03:59.458124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3ec34682b4fe40a09ea8ab0147efff5381065a884d795d01bbb1e851f1598e6

Aliases

arxiv: 1512.04114 · arxiv_version: 1512.04114v5 · doi: 10.48550/arxiv.1512.04114 · pith_short_12: UPWDI2BLJ7SA · pith_short_16: UPWDI2BLJ7SAUCPK · pith_short_8: UPWDI2BL

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/UPWDI2BLJ7SAUCPKRKYBI7X76U \
  | 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: a3ec34682b4fe40a09ea8ab0147efff5381065a884d795d01bbb1e851f1598e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b42900dd2ef5e23f955b2feed99adce95dc7d6908bfb84bd79d855dd0ad5ca4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-12-13T20:05:53Z",
    "title_canon_sha256": "56f7fa617b826354ba3bed826dee266c450dfffb74728260aff6d91ba674f951"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04114",
    "kind": "arxiv",
    "version": 5
  }
}