Pith Number

pith:MTCMLO52

pith:2021:MTCMLO52DMPYBCBR6WW3HSXBG5

not attested not anchored not stored refs pending

Obfuscation of Images via Differential Privacy: From Facial Images to General Images

J\"org-R\"udiger Sack, Wei Shi, William Croft

arxiv:2102.11072 v1 · 2021-02-19 · 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{MTCMLO52DMPYBCBR6WW3HSXBG5}

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	2026-07-05T02:17:04.393441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64c4c5bbba1b1f808831f5adb3cae137579cfc1adda0fcde96ad62fe29916e04

Aliases

arxiv: 2102.11072 · arxiv_version: 2102.11072v1 · doi: 10.48550/arxiv.2102.11072 · pith_short_12: MTCMLO52DMPY · pith_short_16: MTCMLO52DMPYBCBR · pith_short_8: MTCMLO52

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/MTCMLO52DMPYBCBR6WW3HSXBG5 \
  | 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: 64c4c5bbba1b1f808831f5adb3cae137579cfc1adda0fcde96ad62fe29916e04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2a186af8a78e3a31614668e017b50fdfbb5c156f0e6232edc5d700e59184ef4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-02-19T16:14:38Z",
    "title_canon_sha256": "a251b413832e32a501818f85c9819af0af638e5a74678f17330e307eee2eb44f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11072",
    "kind": "arxiv",
    "version": 1
  }
}