Pith Number

pith:XQ2AJGG2

pith:2026:XQ2AJGG2F2VQ7VS5U3ZVLKAEIN

not attested not anchored not stored refs pending

Predictability as a Fine-Grained Measure for Privacy

Karthik Sridharan, Linda Lu

arxiv:2606.20546 v1 · 2026-06-18 · 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{XQ2AJGG2F2VQ7VS5U3ZVLKAEIN}

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	2026-06-19T16:13:14.980364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc340498da2eab0fd65da6f355a8044359f981c0779f28bfeff1fc9568f32f04

Aliases

arxiv: 2606.20546 · arxiv_version: 2606.20546v1 · doi: 10.48550/arxiv.2606.20546 · pith_short_12: XQ2AJGG2F2VQ · pith_short_16: XQ2AJGG2F2VQ7VS5 · pith_short_8: XQ2AJGG2

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/XQ2AJGG2F2VQ7VS5U3ZVLKAEIN \
  | 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: bc340498da2eab0fd65da6f355a8044359f981c0779f28bfeff1fc9568f32f04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cfe93205be0c2c84b19cfff45498118dfbd06239f29203841e4c8aba6f6666a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-18T17:55:31Z",
    "title_canon_sha256": "8552f78cb59a854d62768f748975afa46f82dbfbf8d16692f93ac646cc9dccd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20546",
    "kind": "arxiv",
    "version": 1
  }
}