Pith Number

pith:3F4QKJY2

pith:2025:3F4QKJY2TB2F7WDGRDG4W4OHOE

not attested not anchored not stored refs pending

Differentially Private Synthetic Data Release for Topics API Outputs

Adel Javanmard, Alessandro Epasto, Andres Munoz Medina, Josh Karlin, Peilin Zhong, Sergei Vassilvitskii, Travis Dick, Vahab Mirrokni

arxiv:2506.23855 v1 · 2025-06-30 · cs.CR · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3F4QKJY2TB2F7WDGRDG4W4OHOE}

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	2026-07-05T11:29:29.003375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d97905271a98745fd86688cdcb71c7710e7699e8e0a3773c10204de2514bcc50

Aliases

arxiv: 2506.23855 · arxiv_version: 2506.23855v1 · doi: 10.48550/arxiv.2506.23855 · pith_short_12: 3F4QKJY2TB2F · pith_short_16: 3F4QKJY2TB2F7WDG · pith_short_8: 3F4QKJY2

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/3F4QKJY2TB2F7WDGRDG4W4OHOE \
  | 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: d97905271a98745fd86688cdcb71c7710e7699e8e0a3773c10204de2514bcc50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0245aad05319a784543455cc8d3c9701a1706b1ca832ce49049520aae0cdfa95",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-06-30T13:46:57Z",
    "title_canon_sha256": "1de1b0805d2bef2418e98642047888d89e78dc54e17434291275e197a6880180"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.23855",
    "kind": "arxiv",
    "version": 1
  }
}