Pith Number

pith:MPAUNNYI

pith:2018:MPAUNNYIO6ZLKDHU5Z74TPEDDZ

not attested not anchored not stored refs pending

Embedded Implementation of a Deep Learning Smile Detector

Antti P. Happonen, Heikki Huttunen, Jani Boutellier, Pedram Ghazi

arxiv:1807.10570 v1 · 2018-07-10 · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPAUNNYIO6ZLKDHU5Z74TPEDDZ}

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	2026-05-18T00:09:40.169123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63c146b70877b2b50cf4ee7fc9bc831e7092711148450400dea4abd053c08791

Aliases

arxiv: 1807.10570 · arxiv_version: 1807.10570v1 · doi: 10.48550/arxiv.1807.10570 · pith_short_12: MPAUNNYIO6ZL · pith_short_16: MPAUNNYIO6ZLKDHU · pith_short_8: MPAUNNYI

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/MPAUNNYIO6ZLKDHU5Z74TPEDDZ \
  | 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: 63c146b70877b2b50cf4ee7fc9bc831e7092711148450400dea4abd053c08791

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "416ec169cb21a71810f72ad92bf930761b80ac8b47fb6a876cc1e881e4cdacb2",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-10T07:37:37Z",
    "title_canon_sha256": "179117e503dadcda936e5e778a6d7d24669ee9b2d38f5fed1b04859469d20f77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10570",
    "kind": "arxiv",
    "version": 1
  }
}