Pith Number

pith:3FYSH2DP

pith:2021:3FYSH2DP5BOH7GIX6PBEHNMOA7

not attested not anchored not stored refs pending

PredCoin: Defense against Query-based Hard-label Attack

Ang Li, Cong Liu, Junfeng Guo, Thiele Lothar, Yaswanth Yadlapalli

arxiv:2102.02923 v1 · 2021-02-04 · cs.CR · 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{3FYSH2DP5BOH7GIX6PBEHNMOA7}

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	2026-07-05T02:12:55.059233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d97123e86fe85c7f9917f3c243b58e07dd2e35f7dc7ffb6c74017e3dfc5e4a84

Aliases

arxiv: 2102.02923 · arxiv_version: 2102.02923v1 · doi: 10.48550/arxiv.2102.02923 · pith_short_12: 3FYSH2DP5BOH · pith_short_16: 3FYSH2DP5BOH7GIX · pith_short_8: 3FYSH2DP

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/3FYSH2DP5BOH7GIX6PBEHNMOA7 \
  | 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: d97123e86fe85c7f9917f3c243b58e07dd2e35f7dc7ffb6c74017e3dfc5e4a84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a37e8117820430cc0579db00dc40f100bf4da0c032c05b920df34ef7a99d749",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-02-04T22:47:05Z",
    "title_canon_sha256": "6ab4c5bdc2d0ceb8e82dc511f84cacebb0ed94d5cee1d2474e126efc0417cbef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.02923",
    "kind": "arxiv",
    "version": 1
  }
}