Pith Number

pith:TFDLHNW7

pith:2020:TFDLHNW7IITS3YYNWCJTF2E5WR

not attested not anchored not stored refs pending

Privacy-Preserving Image Retrieval Based on Additive Secret Sharing

Jian Weng, Lizhi Xiong, Qi Gu, Wenhao Zhou, Zhihua Xia

arxiv:2009.06893 v2 · 2020-09-15 · 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{TFDLHNW7IITS3YYNWCJTF2E5WR}

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	2026-07-05T02:00:32.196732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9946b3b6df42272de30db09332e89db476c8d7704470c67c81fb6ababd54c5b9

Aliases

arxiv: 2009.06893 · arxiv_version: 2009.06893v2 · doi: 10.48550/arxiv.2009.06893 · pith_short_12: TFDLHNW7IITS · pith_short_16: TFDLHNW7IITS3YYN · pith_short_8: TFDLHNW7

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/TFDLHNW7IITS3YYNWCJTF2E5WR \
  | 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: 9946b3b6df42272de30db09332e89db476c8d7704470c67c81fb6ababd54c5b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "327b5b9616e390a571ba66939f0247b2217fd0c9e717e43403b3c598d6a98770",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-09-15T07:12:51Z",
    "title_canon_sha256": "d73b040dcbe687d844fd83e75014bd17a43d830abb49589a561c701ae515b25a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.06893",
    "kind": "arxiv",
    "version": 2
  }
}