Pith Number

pith:SR5M7S2S

pith:2017:SR5M7S2SDR6HDBEXPHKFZRLHPX

not attested not anchored not stored refs pending

Can We Boost the Power of the Viola-Jones Face Detector Using Pre-processing? An Empirical Study

Aly Abdelrahim, Katherine Rohde, Mahmoud Afifi, Marwa Nasser, Mostafa Korashy

arxiv:1709.07720 v3 · 2017-09-22 · 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{SR5M7S2SDR6HDBEXPHKFZRLHPX}

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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	2026-05-18T00:28:22.576484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

947acfcb521c7c71849779d45cc5677de39b6cbf2c28f2242cb48d75325a7d8a

Aliases

arxiv: 1709.07720 · arxiv_version: 1709.07720v3 · doi: 10.48550/arxiv.1709.07720 · pith_short_12: SR5M7S2SDR6H · pith_short_16: SR5M7S2SDR6HDBEX · pith_short_8: SR5M7S2S

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/SR5M7S2SDR6HDBEXPHKFZRLHPX \
  | 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: 947acfcb521c7c71849779d45cc5677de39b6cbf2c28f2242cb48d75325a7d8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "957338b6daa4bfb2c978e7f8d6695ce37b47ae015f5f61885c4c6460ebcb1889",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-22T12:44:01Z",
    "title_canon_sha256": "a54d663fc26c8dc533b25773c8206d4c61a39e0de56eb5d50ccff99e6e9b00ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07720",
    "kind": "arxiv",
    "version": 3
  }
}