Pith Number

pith:F2UQ2L6Q

pith:2026:F2UQ2L6QQXXX5MWJ3ILUUNKWCD

not attested not anchored not stored refs pending

Density-aware Sample-specific Attack

Qiyuan Wang, Raymond K. W. Wong, Yao Li

arxiv:2605.27809 v1 · 2026-05-27 · cs.LG · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2UQ2L6QQXXX5MWJ3ILUUNKWCD}

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	2026-05-28T01:04:49.232437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ea90d2fd085ef7eb2c9da174a355610f8c578c5acef1867a00b03b7fb00abed

Aliases

arxiv: 2605.27809 · arxiv_version: 2605.27809v1 · doi: 10.48550/arxiv.2605.27809 · pith_short_12: F2UQ2L6QQXXX · pith_short_16: F2UQ2L6QQXXX5MWJ · pith_short_8: F2UQ2L6Q

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/F2UQ2L6QQXXX5MWJ3ILUUNKWCD \
  | 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: 2ea90d2fd085ef7eb2c9da174a355610f8c578c5acef1867a00b03b7fb00abed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f21b874f464ac2c258657a99e4778c653a1cdea551cd9aeac5db41e28730618c",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-27T01:02:49Z",
    "title_canon_sha256": "45f307fe8eab7f8d00460fc498983d3a35b19e2a70a2c2b005036a422c08d7f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27809",
    "kind": "arxiv",
    "version": 1
  }
}