Pith Number

pith:BBHLIVHP

pith:2018:BBHLIVHPWA3UYWNXCA3ZVCZSKP

not attested not anchored not stored refs pending

Security and Privacy Enhancement for Outsourced Biometric Identification

Jian Ren, Kai Zhou

arxiv:1809.04219 v1 · 2018-09-12 · 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{BBHLIVHPWA3UYWNXCA3ZVCZSKP}

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	2026-05-18T00:05:55.135355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

084eb454efb0374c59b710379a8b3253de011b64d1402e12e0b166eeee5df372

Aliases

arxiv: 1809.04219 · arxiv_version: 1809.04219v1 · doi: 10.48550/arxiv.1809.04219 · pith_short_12: BBHLIVHPWA3U · pith_short_16: BBHLIVHPWA3UYWNX · pith_short_8: BBHLIVHP

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/BBHLIVHPWA3UYWNXCA3ZVCZSKP \
  | 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: 084eb454efb0374c59b710379a8b3253de011b64d1402e12e0b166eeee5df372

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a80762acb074f7cdd7fa4cfa2aef287f063461cd2dc34163e6af313a40c12cad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-09-12T01:48:05Z",
    "title_canon_sha256": "d470e423dbc2d5644258d1be7b6febb856c0270b40f4b1835d09b7119de70822"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04219",
    "kind": "arxiv",
    "version": 1
  }
}