Pith Number

pith:FR7KX2FP

pith:2018:FR7KX2FP4RDBVNIWOLMY46OKR5

not attested not anchored not stored refs pending

Implementation of Robust Face Recognition System Using Live Video Feed Based on CNN

Sangwhan Cha, Yang Li

arxiv:1811.07339 v1 · 2018-11-18 · 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{FR7KX2FP4RDBVNIWOLMY46OKR5}

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	2026-05-18T00:00:28.227544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c7eabe8afe4461ab51672d98e79ca8f449b6c1100c89c40e4b062192f225e5f

Aliases

arxiv: 1811.07339 · arxiv_version: 1811.07339v1 · doi: 10.48550/arxiv.1811.07339 · pith_short_12: FR7KX2FP4RDB · pith_short_16: FR7KX2FP4RDBVNIW · pith_short_8: FR7KX2FP

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/FR7KX2FP4RDBVNIWOLMY46OKR5 \
  | 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: 2c7eabe8afe4461ab51672d98e79ca8f449b6c1100c89c40e4b062192f225e5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12cb58bcb98b58d252cd2cef77d0c112f4c2c3ec4999549ac32a755307b018ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-18T15:31:08Z",
    "title_canon_sha256": "2221b31f62b1610ae5851f2e3789e8df7e06f4ca1679a2cf97e0f267e36de7f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07339",
    "kind": "arxiv",
    "version": 1
  }
}