Pith Number

pith:ISBWFU7A

pith:2025:ISBWFU7AJ3F7AROAXLAHWIO3Z3

not attested not anchored not stored refs pending

A Survey on Facial Image Privacy Preservation in Cloud-Based Services

Chen Chen, Mengyuan Sun, Qian Wang, Xueluan Gong, Yanjiao Chen

arxiv:2501.08665 v1 · 2025-01-15 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ISBWFU7AJ3F7AROAXLAHWIO3Z3}

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	2026-07-05T10:01:22.916402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

448362d3e04ecbf045c0bac07b21dbcee15ff711e9a8534ea23c158ef3e1bbea

Aliases

arxiv: 2501.08665 · arxiv_version: 2501.08665v1 · doi: 10.48550/arxiv.2501.08665 · pith_short_12: ISBWFU7AJ3F7 · pith_short_16: ISBWFU7AJ3F7AROA · pith_short_8: ISBWFU7A

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/ISBWFU7AJ3F7AROAXLAHWIO3Z3 \
  | 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: 448362d3e04ecbf045c0bac07b21dbcee15ff711e9a8534ea23c158ef3e1bbea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c4b61e3eea35e1c43f1af8619a76fbbf5295cae66527aa61985c511904b6aa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-15T09:00:32Z",
    "title_canon_sha256": "bb12f0c39a1c5b9f77c9dd5b7b0e6555ce7fdb318a727888eb28f2cf61b3a77d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.08665",
    "kind": "arxiv",
    "version": 1
  }
}