Pith Number

pith:UZCKXFF2

pith:2026:UZCKXFF2DIRD6JUW547P4OF6DQ

not attested not anchored not stored refs pending

Hidden-State Privacy Has an Empty Middle

Alexander Okezue Bell

arxiv:2605.24042 v1 · 2026-05-21 · cs.LG · 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{UZCKXFF2DIRD6JUW547P4OF6DQ}

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	2026-05-26T01:02:42.479472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a644ab94ba1a223f2696ef3efe38be1c20a736a3b6b1e76501be32704acf240c

Aliases

arxiv: 2605.24042 · arxiv_version: 2605.24042v1 · doi: 10.48550/arxiv.2605.24042 · pith_short_12: UZCKXFF2DIRD · pith_short_16: UZCKXFF2DIRD6JUW · pith_short_8: UZCKXFF2

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/UZCKXFF2DIRD6JUW547P4OF6DQ \
  | 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: a644ab94ba1a223f2696ef3efe38be1c20a736a3b6b1e76501be32704acf240c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b7178ad488ce95f56f104e59182bdd83e81df3a3d176c2f85cd4aa5a8ee80c9",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-21T20:12:09Z",
    "title_canon_sha256": "fed271f6c08e19ff082add912eb85359089ee6a29f5a5743ea098a54c1cea26a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24042",
    "kind": "arxiv",
    "version": 1
  }
}