Pith Number

pith:RGKDPDAD

pith:2026:RGKDPDAD6YF2OXPX4C4O5MIJCE

not attested not anchored not stored refs pending

PromptPET: Privacy-Utility Optimized Prompt Obfuscation

Athina Markopoulou, Ke Yang, Olivia Figueira, Umar Iqbal

arxiv:2607.02932 v1 · 2026-07-03 · cs.CR · cs.AI · cs.HC · 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{RGKDPDAD6YF2OXPX4C4O5MIJCE}

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	2026-07-07T01:16:36.919876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8994378c03f60ba75df7e0b8eeb109113fda784c24736dec872165bd5cba1101

Aliases

arxiv: 2607.02932 · arxiv_version: 2607.02932v1 · doi: 10.48550/arxiv.2607.02932 · pith_short_12: RGKDPDAD6YF2 · pith_short_16: RGKDPDAD6YF2OXPX · pith_short_8: RGKDPDAD

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/RGKDPDAD6YF2OXPX4C4O5MIJCE \
  | 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: 8994378c03f60ba75df7e0b8eeb109113fda784c24736dec872165bd5cba1101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5578c953d25e062705ad6a4cfdf813e34c7859896c124e6df77a3593aa1c9573",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.HC",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-03T03:59:34Z",
    "title_canon_sha256": "fb53aebf7e795e12edfb4c97542c6543e2d6e7c0a00efc3e18057fd1b1606757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02932",
    "kind": "arxiv",
    "version": 1
  }
}